{"id":57312,"date":"2025-12-14T05:34:16","date_gmt":"2025-12-13T20:34:16","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=57312"},"modified":"2025-12-14T05:34:16","modified_gmt":"2025-12-13T20:34:16","slug":"aqui-la-sorprendente-funcion-de-bombeo-revelada-al-diseccionar-un-corazon-real-de-ave","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=57312&lang=es","title":{"rendered":"\u201c\u00bf\u00a1\u00bfAqu\u00ed?!?\u201d La sorprendente funci\u00f3n de bombeo revelada al diseccionar un coraz\u00f3n real de ave"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><b>Soy Ken Kuwako, su entrenador de ciencia. \u00a1Cada d\u00eda es un experimento!<\/b><\/span><\/p>\n<p>Las aves se elevan en el cielo&#8230; \u00bfDe d\u00f3nde sacan esa energ\u00eda para batir sus alas con tanta intensidad y sin parar? El secreto se esconde en un \u00abmotor de alto rendimiento\u00bb oculto en su peque\u00f1o cuerpo. No es otro que el <b>coraz\u00f3n<\/b>, una m\u00e1quina tan o m\u00e1s sofisticada que la nuestra.<\/p>\n<p>En esta ocasi\u00f3n, les traigo el informe de una disecci\u00f3n que realizamos con mis estudiantes durante una clase especial de 75 minutos: la del <b>coraz\u00f3n de ave (coraz\u00f3n de pollo)<\/b>. A trav\u00e9s de este peque\u00f1o \u00f3rgano, nos adentramos en el misterio de c\u00f3mo la vida bombea energ\u00eda a todo el cuerpo.<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"03uHnAlr3I\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=41350\">\u8c5a\u306e\u5fc3\u81d3\u89e3\u5256\u300c\u672c\u7269\u300d\u306b\u52dd\u308b\u6559\u6750\u306a\u3057\uff01\u5fc3\u81d3\u89e3\u5256\u3067\u5b66\u3076\u751f\u7269\u306e\u3057\u304f\u307f<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;\u8c5a\u306e\u5fc3\u81d3\u89e3\u5256\u300c\u672c\u7269\u300d\u306b\u52dd\u308b\u6559\u6750\u306a\u3057\uff01\u5fc3\u81d3\u89e3\u5256\u3067\u5b66\u3076\u751f\u7269\u306e\u3057\u304f\u307f&#8221; &#8212; \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=41350&#038;embed=true#?secret=pLElzW0nUf#?secret=03uHnAlr3I\" data-secret=\"03uHnAlr3I\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>Les invito a descubrir la <b>sofisticada ingenier\u00eda de la vida<\/b>, algo que solo se revela al tocar el \u00f3rgano real y que los libros de texto no pueden mostrar.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-57265 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.40.20.jpg\" alt=\"\" width=\"451\" height=\"257\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.40.20.jpg 2078w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.40.20-300x171.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.40.20-1024x583.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.40.20-768x438.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.40.20-1536x875.jpg 1536w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.40.20-2048x1167.jpg 2048w\" sizes=\"auto, (max-width: 451px) 100vw, 451px\" \/><\/p>\n<h3>Primero, imaginemos la estructura<\/h3>\n<p>Antes de empezar la disecci\u00f3n, repasemos el mecanismo b\u00e1sico del coraz\u00f3n. Si seguimos la historia evolutiva de los animales, vemos que los peces tienen \u00abuna aur\u00edcula y un ventr\u00edculo\u00bb, los anfibios \u00abdos aur\u00edculas y un ventr\u00edculo\u00bb, mientras que las aves y los mam\u00edferos poseen la estructura m\u00e1s evolucionada: <b>dos aur\u00edculas y dos ventr\u00edculos<\/b>.<\/p>\n<p>Este sistema, que permite separar completamente la sangre oxigenada de la que transporta di\u00f3xido de carbono, es precisamente lo que sustenta el alto metabolismo que necesitan las aves para mantener una temperatura corporal elevada y volar con tanta intensidad.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u751f\u4f53\u306e\u3057\u304f\u307f \u7b2c3\u7248\u3000VOL.10 \u5faa\u74b0\u306e\u3057\u304f\u307f\uff11\uff08\u5fc3\u81d3\u3068\u5fc3\u5ba4\uff09\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/sUVKIRLrXrA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>Para esta clase, preparamos como material did\u00e1ctico \u00abcorazones de pollo\u00bb (o menudillos de pollo) que se pueden conseguir f\u00e1cilmente en cualquier supermercado. Un paquete de 2 kg contiene entre 130 y 140 unidades, lo que es ideal para que cada estudiante de la clase pueda tener uno para observar.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-57264 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.40.30.jpg\" alt=\"\" width=\"323\" height=\"472\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.40.30.jpg 1084w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.40.30-205x300.jpg 205w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.40.30-701x1024.jpg 701w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.40.30-768x1122.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.40.30-1051x1536.jpg 1051w\" sizes=\"auto, (max-width: 323px) 100vw, 323px\" \/><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-57260\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.07.34.jpg\" alt=\"\" width=\"217\" height=\"201\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.07.34.jpg 474w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.07.34-300x278.jpg 300w\" sizes=\"auto, (max-width: 217px) 100vw, 217px\" \/><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/amzn.to\/4iSbNO1\">Corazones de pollo nacionales 2kg<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-57263 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.39.55.jpg\" alt=\"\" width=\"253\" height=\"316\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.39.55.jpg 1122w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.39.55-240x300.jpg 240w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.39.55-819x1024.jpg 819w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.39.55-768x960.jpg 768w\" sizes=\"auto, (max-width: 253px) 100vw, 253px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-57269 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.15.06.jpg\" alt=\"\" width=\"349\" height=\"353\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.15.06.jpg 1094w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.15.06-297x300.jpg 297w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.15.06-1013x1024.jpg 1013w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.15.06-768x776.jpg 768w\" sizes=\"auto, (max-width: 349px) 100vw, 349px\" \/><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-57299\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-14-5.09.07.jpg\" alt=\"\" width=\"271\" height=\"408\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-14-5.09.07.jpg 714w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-14-5.09.07-199x300.jpg 199w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-14-5.09.07-679x1024.jpg 679w\" sizes=\"auto, (max-width: 271px) 100vw, 271px\" \/><\/p>\n<p>Antes de la disecci\u00f3n, ver el siguiente video para visualizar el coraz\u00f3n en movimiento har\u00e1 que los puntos clave de la observaci\u00f3n sean mucho m\u00e1s claros.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u30c8\u30ea\u306e\u5fc3\u81d3\u306e\u89e3\u5256\u3068\u89b3\u5bdf\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/3QhxWm4CL2E?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h3>Observaci\u00f3n interna del coraz\u00f3n con tijeras de cocina<\/h3>\n<p>Al o\u00edr \u00abdisecci\u00f3n\u00bb, uno podr\u00eda pensar en el bistur\u00ed y en algo complicado, pero en las clases de secundaria, unas simples <b>tijeras de cocina<\/b> son una herramienta excepcional. Permiten abrir la peque\u00f1a estructura del coraz\u00f3n de forma segura y sin da\u00f1arla, usando bien la punta de las hojas.<\/p>\n<h3>Procedimiento de observaci\u00f3n<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-57267 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.16.47.jpg\" alt=\"\" width=\"724\" height=\"272\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.16.47.jpg 1524w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.16.47-300x113.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.16.47-1024x384.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.16.47-768x288.jpg 768w\" sizes=\"auto, (max-width: 724px) 100vw, 724px\" \/><\/p>\n<p><b>1. \u00a1Corte vertical del coraz\u00f3n!<\/b> Primero, cortamos el coraz\u00f3n en dos mitades a lo largo con las tijeras y observamos la secci\u00f3n transversal. El primer paso es confirmar con nuestros propios ojos que el coraz\u00f3n no es solo un bloque de m\u00fasculo, sino que tiene <b>c\u00e1maras (huecas)<\/b> en su interior.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-57261 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.10.55.jpg\" alt=\"\" width=\"442\" height=\"316\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.10.55.jpg 1588w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.10.55-300x215.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.10.55-1024x733.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.10.55-768x549.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.10.55-1536x1099.jpg 1536w\" sizes=\"auto, (max-width: 442px) 100vw, 442px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-57262 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-9.13.15.jpg\" alt=\"\" width=\"448\" height=\"323\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-9.13.15.jpg 1346w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-9.13.15-300x217.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-9.13.15-1024x739.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-9.13.15-768x555.jpg 768w\" sizes=\"auto, (max-width: 448px) 100vw, 448px\" \/><\/p>\n<p><iframe loading=\"lazy\" title=\"\u300c\u3048\u3063\u3001\u3053\u3053\u306a\u306e\uff1f\u300d\u5b9f\u7269\u306e\u9ce5\u306e\u5fc3\u81d3\u3092\u89e3\u5256\u3057\u3066\u5206\u304b\u3063\u305f\u3001\u9a5a\u304d\u306e\u30dd\u30f3\u30d7\u6a5f\u80fd\uff08\u9ce5\u306e\u5fc3\u81d3\u306e\u89e3\u5256\uff09\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/FBRx9IGrpGY?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p><b>2. Abrir con un corte lateral.<\/b> Para observar la estructura con m\u00e1s detalle, introducimos las tijeras lateralmente y extendemos el corte hasta aproximadamente <b>dos tercios<\/b> de la longitud total. Esto nos permite ver, como en un panorama, c\u00f3mo est\u00e1n dispuestas y conectadas el <b>ventr\u00edculo izquierdo, el ventr\u00edculo derecho, y cada una de las aur\u00edculas<\/b>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-57268 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.14.48.jpg\" alt=\"\" width=\"389\" height=\"472\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.14.48.jpg 900w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.14.48-247x300.jpg 247w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.14.48-844x1024.jpg 844w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.14.48-768x932.jpg 768w\" sizes=\"auto, (max-width: 389px) 100vw, 389px\" \/><\/p>\n<h3>El asombroso descubrimiento: la peque\u00f1ez del ventr\u00edculo derecho y la potencia del izquierdo<\/h3>\n<p>Al ver la secci\u00f3n transversal que acababan de cortar, los estudiantes exclamaron con asombro por doquier. Dado que el coraz\u00f3n de ave es muy compacto, localizar las <b>aur\u00edculas<\/b> requiere un poco de ma\u00f1a, pero lo que realmente capt\u00f3 la atenci\u00f3n de todos fue el <b>tama\u00f1o del ventr\u00edculo derecho<\/b>.<\/p>\n<p>En comparaci\u00f3n con el ventr\u00edculo izquierdo, el <b>ventr\u00edculo derecho<\/b> del ave es \u00a1sorprendentemente <b>delgado y peque\u00f1o<\/b>! Es tan diminuto que uno podr\u00eda dudar, pero, en contraste, la pared del <b>ventr\u00edculo izquierdo<\/b> \u2014que bombea sangre a todo el cuerpo\u2014 era un <b>grueso y robusto bloque de m\u00fasculo<\/b>.<\/p>\n<p>El ventr\u00edculo derecho solo tiene que enviar la sangre al pulm\u00f3n, un \u00f3rgano que est\u00e1 justo al lado. En cambio, el ventr\u00edculo izquierdo debe impulsar la sangre hasta el \u00faltimo rinc\u00f3n del cuerpo, a veces incluso desafiando la gravedad. Esta <b>diferencia abrumadora en el grosor muscular<\/b> es, precisamente, el plano de dise\u00f1o de la vida en su b\u00fasqueda de la m\u00e1xima eficiencia.<\/p>\n<h3>Siguiendo el camino de la sangre<\/h3>\n<p>Por \u00faltimo, realizamos un experimento para confirmar la direcci\u00f3n en que fluye la sangre. Introducimos con cuidado un <b>palillo de dientes en el ventr\u00edculo izquierdo<\/b> y lo empujamos hacia el interior.<\/p>\n<p>\u00a1Y de repente, la punta del palillo asom\u00f3 por la <b>aorta<\/b>!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-57270 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.15.18.jpg\" alt=\"\" width=\"434\" height=\"446\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.15.18.jpg 1162w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.15.18-292x300.jpg 292w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.15.18-997x1024.jpg 997w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-13-18.15.18-768x789.jpg 768w\" sizes=\"auto, (max-width: 434px) 100vw, 434px\" \/><\/p>\n<p style=\"text-align: center;\">El palillo en primer plano es la aorta, y el palillo al fondo es la vena cava<\/p>\n<p>En ese instante, el coraz\u00f3n que parec\u00eda ser un mont\u00f3n de partes inconexas se revela como un <b>sistema de bombeo perfecto<\/b> y unificado. Es la <b>contundente autenticidad<\/b> de la pieza real, algo que las ilustraciones de un atlas nunca podr\u00e1n transmitir.<\/p>\n<p>El peque\u00f1o coraz\u00f3n de pollo nos ense\u00f1\u00f3 la nobleza de un coraz\u00f3n que trabaja sin descanso para que podamos vivir. \u00a1Les animo a experimentar esta \u00abingenier\u00eda de la vida\u00bb en sus propias escuelas!<\/p>\n<h3>Contacto y Solicitudes<\/h3>\n<p>\u00a1Acerquen la maravilla y la diversi\u00f3n de la ciencia! Aqu\u00ed encontrar\u00e1n experimentos cient\u00edficos divertidos para hacer en casa y consejos explicados de forma sencilla. \u00a1No duden en buscar! * El contenido de &#8220;El Cuaderno de Ideas Cient\u00edficas&#8221; se ha convertido en libro. M\u00e1s detalles <a href=\"https:\/\/amzn.to\/42PMCEL\">aqu\u00ed<\/a>. * Sobre el administrador, Ken Kuwako, <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">aqu\u00ed<\/a>. * Para cualquier solicitud (escritura, conferencias, talleres de experimentos, supervisi\u00f3n o aparici\u00f3n en TV, etc.), <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">aqu\u00ed<\/a>. <span class=\"s2\">* Las actualizaciones de los art\u00edculos se publican en <a href=\"https:\/\/x.com\/kuwako\">X<\/a>.<\/span><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.youtube.com\/user\/kkuwako\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35048\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3d9640dad7bc5538e76f92da1966ee19.jpg\" alt=\"\" width=\"30\" height=\"21\" \/><\/a>\u00a1El <a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">Canal de Ideas Cient\u00edficas<\/a> publica videos de experimentos!<\/p>\n<h3>\uff15\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<p>\u30ad\u30fc\u30f3\u3068\u51b7\u3048\u308b\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\uff01\u6c17\u6e29\u304c\u4e0a\u304c\u3063\u3066\u304f\u308b\u3053\u306e\u6642\u671f\u30fb\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\u3092\u4f7f\u3063\u305f\u6607\u83ef\u30fb\u51dd\u7d50\u30fb\u7b49\u901f\u5ea6\u76f4\u7dda\u904b\u52d5\u306e\u5b9f\u9a13\u306f\u3044\u304b\u304c\uff1f<\/p>\r\n<p><img class=\"alignnone wp-image-39516 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg 1406w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-300x168.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-1024x572.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-768x429.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-320x180.jpg 320w\" alt=\"\" width=\"453\" height=\"253\" \/><\/p>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=39513\">\u6db2\u4f53\u30bc\u30ed\uff01\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\u304c\u6d88\u3048\u308b\u307e\u3067\u306e\uff13\u6642\u9593\u3092\u79d1\u5b66\u3059\u308b\uff08\u6607\u83ef\u30fb\u51dd\u7d50\u30fb\u7b49\u901f\u5ea6\u76f4\u7dda\u904b\u52d5\uff09<\/a><\/p>\r\n<h3 style=\"text-align: left;\"><span style=\"font-size: medium;\"><b><strong>\u30c6\u30ec\u30d3\u756a\u7d44\u76e3\u4fee\u30fb\u30a4\u30d9\u30f3\u30c8\u7b49\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/span><\/h3>\r\n<ul>\r\n<li>4\u670830\u65e5\uff08\u6728\uff09\u300cTHE\u7a81\u7834\u30d5\u30a1\u30a4\u30eb\u300d\uff08\u65e5\u672c\u30c6\u30ec\u30d3\uff09\u306e<a href=\"https:\/\/phys-edu.net\/wp\/?p=62906\">\u79d1\u5b66\u76e3\u4fee\u3092\u62c5\u5f53\u3057\u307e\u3057\u305f<\/a>\u3002<\/li>\r\n<li>5\u67088\u65e5\uff08\u91d1\uff09<a href=\"https:\/\/phys-edu.net\/wp\/?p=62629\">\u7406\u79d1\u6559\u80b2\u30cb\u30e5\u30fc\u30b9<\/a>\u3092\u62c5\u5f53\u3057\u307e\u3057\u305f\u3002<\/li>\r\n<li>6\u670814\u65e5\uff08\u65e5\uff09\u3000\u5343\u8449\u5927\u5b66\u30a4\u30f3\u30b9\u30bf\u30ec\u30fc\u30b7\u30e7\u30f3\u300c\u63a2\u7a76\u300d\u306b\u3066\u8b1b\u5e2b\u3092\u52d9\u3081\u307e\u3059<\/li>\r\n<li>6\u670826\u65e5\uff08\u91d1\uff09\u3000\u5343\u8449\u5927\u5b66\u306e\u516c\u958b\u7814\u7a76\u4f1a\uff08\u4e2d\u5b66\u7406\u79d1\u306b\u3064\u3044\u3066\u6388\u696d\u516c\u958b\u4e88\u5b9a\uff09<\/li>\r\n<li>7\u670818\u65e5\uff08\u571f\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=60018\">\u6559\u54e1\u5411\u3051\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\u300c\u30ca\u30ea\u30ab\u30ab\u30b5\u30a4\u30a8\u30f3\u30b9\u30a2\u30ab\u30c7\u30df\u30fc\u300d\u306e\u8b1b\u5e2b\u3092\u3057\u307e\u3059<\/a>\u3002\u304a\u4f1a\u3044\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\r\n<\/ul>\r\n<h3><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/h3>\r\n<ul>\r\n<li>\u300e\u5927\u4eba\u306e\u305f\u3081\u306e\u9ad8\u6821\u7269\u7406\u5fa9\u7fd2\u5e33\u300f\uff08\u8b1b\u8ac7\u793e\uff09\u2026\u4e00\u822c\u5411\u3051\u306b\u65e5\u5e38\u306e\u7269\u7406\u306b\u3064\u3044\u3066\u516c\u5f0f\u3092\u5143\u306b\u7d10\u89e3\u304d\u307e\u3057\u305f\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=1827\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u3067\u306f\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<strong>\u203b\u5897\u5237\u304c\u304b\u304b\u308a\uff16\u5237\u3068\u306a\u308a\u307e\u3057\u305f\uff082026\/02\/01\uff09<br \/><img class=\"alignnone wp-image-10940 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg\" sizes=\"(max-width: 220px) 100vw, 220px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0.jpg 311w\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2014-07-05 0.43.51\" width=\"220\" height=\"192\" \/><br \/><\/strong><\/li>\r\n<li>\u300e\u304d\u3081\u308b!\u5171\u901a\u30c6\u30b9\u30c8 \u7269\u7406\u57fa\u790e \u6539\u8a02\u7248\u300f\uff08\u5b66\u7814\uff09\u2026\u3000\u9ad8\u6821\u7269\u7406\u306e\u53c2\u8003\u66f8\u3067\u3059\u3002\u30a4\u30e9\u30b9\u30c8\u3092\u591a\u304f\u3057\u3066\u30a4\u30e1\u30fc\u30b8\u304c\u6301\u3066\u308b\u3088\u3046\u306b\u63cf\u304d\u307e\u3057\u305f\u3002\u6388\u696d\u306b\u3064\u3044\u3066\u3044\u3051\u306a\u3044\u3001\u7269\u7406\u304c\u82e6\u624b\u3001\u305d\u3093\u306a\u751f\u5f92\u306b\u304a\u3059\u3059\u3081\u3067\u3059\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=45322\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u306f\u3053\u3061\u3089\u3002<br \/><img class=\"alignnone wp-image-45718 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg\" sizes=\"(max-width: 184px) 100vw, 184px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg 756w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c-300x269.jpg 300w\" alt=\"\" width=\"184\" height=\"165\" \/><\/li>\r\n<\/ul>\r\n<h3><span style=\"text-align: center;\">\u5404\u7a2eSNS\uff08\u66f4\u65b0\u60c5\u5831\u3092\u304a\u5c4a\u3051\uff01\uff09<\/span><\/h3>\r\n<p style=\"text-align: center;\"><a style=\"text-align: center;\" href=\"https:\/\/twitter.com\/kuwako\">X(Twitter)<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.instagram.com\/science_seeds\/\">instagram<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.facebook.com\/kuwakolab\/\">Facebook<\/a>\uff08\u65e5\u672c\u8a9e\uff09<\/p>\r\n<p style=\"text-align: center;\"><a style=\"text-align: center;\" href=\"https:\/\/bsky.app\/profile\/kagakunoneta.bsky.social\">BlueSky<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.threads.net\/@science_seeds?hl=ja\">Threads<\/a>\uff08\u82f1\u8a9e\uff09<\/p>\r\n<h3 style=\"text-align: center;\"><strong>Explore<\/strong><\/h3>\r\n<ul>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=30764\">\u697d\u3057\u3044\u5b9f\u9a13<\/a>\u2026\u304a\u5b50\u3055\u3093\u3068\u4e00\u7dd2\u306b\u5922\u4e2d\u306b\u306a\u308c\u308b\u30a4\u30c1\u30aa\u30b7\u306e\u79d1\u5b66\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u9ad8\u6821\u7269\u7406\u306e\u7406\u89e3\u3092\u6df1\u3081\u308b\u305f\u3081\u306e\u52d5\u753b\u6559\u6750\u3082\u7528\u610f\u3057\u307e\u3057\u305f\u3002<\/li>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=798\">\u7406\u79d1\u306e\u6559\u6750<\/a>\u2026 \u7406\u79d1\u6559\u5e2b\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\uff01\u6388\u696d\u306e\u8cea\u3092\u9ad8\u3081\u3001\u6e96\u5099\u3092\u52b9\u7387\u5316\u3059\u308b\u305f\u3081\u306e\u9078\u308a\u3059\u3050\u308a\u306e\u6559\u6750\u3092\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"https:\/\/www.youtube.com\/c\/kkuwako\">Youtube<\/a>\u2026\u79d1\u5b66\u5b9f\u9a13\u7b49\u306e\u52d5\u753b\u3092\u914d\u4fe1\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"https:\/\/music.youtube.com\/playlist?list=PLoK4ZvKN9S2NgpYIochcQs0aL-vrRB_Qw\">\u79d1\u5b66\u30e9\u30b8\u30aa<\/a>\u00a0\u2026\u79d1\u5b66\u30c8\u30d4\u30c3\u30af\u3092\u307b\u307c\u6bce\u65e5\u914d\u4fe1\u4e2d\uff01AI\u6280\u8853\u3092\u99c6\u4f7f\u3057\u3066\u4f5c\u6210\u3057\u305f\u300c\u8033\u3067\u697d\u3057\u3080\u79d1\u5b66\u300d\u3092\u304a\u5c4a\u3051\u3057\u307e\u3059\u3002<\/li>\r\n<li><a href=\"http:\/\/phys-edu.net\/wp\/?page_id=20940\">\u8b1b\u6f14<\/a>\u00a0\u2026\u5168\u56fd\u5404\u5730\u3067\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\u30fb\u30b5\u30a4\u30a8\u30f3\u30b9\u30b7\u30e7\u30fc\u7b49\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"http:\/\/phys-edu.net\/wp\/?page_id=37\">About<\/a>\u00a0\u2026\u300c\u79d1\u5b66\u306e\u30cd\u30bf\u5e33\u300d\u306e\u30b3\u30f3\u30bb\u30d7\u30c8\u3084\u3001\u904b\u55b6\u8005\u3067\u3042\u308b\u6851\u5b50\u7814\u306e\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u30fb\u60f3\u3044\u3092\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">\u304a\u554f\u3044\u5408\u308f\u305b<\/a> \u2026\u5b9f\u9a13\u6559\u5ba4\u306e\u3054\u4f9d\u983c\u3001\u57f7\u7b46\u30fb\u8b1b\u6f14\u306e\u76f8\u8ac7\u3001\u79d1\u5b66\u76e3\u4fee\u7b49\u306f\u3053\u3061\u3089\u306e\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u304a\u5bc4\u305b\u304f\u3060\u3055\u3044\u3002<\/li>\r\n<\/ul>\r\n","protected":false},"excerpt":{"rendered":"<p>Soy Ken Kuwako, su entrenador de ciencia. \u00a1Cada d\u00eda es un experimento! Las aves se elevan en el cielo&#8230; \u00bf [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":57266,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","sns_share_botton_hide":"","vkExUnit_sns_title":"","vkexunit_cta_each_option":"","_lightning_design_setting":{"layout":"default"},"footnotes":""},"categories":[1492],"tags":[],"class_list":["post-57312","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science-es"],"jetpack_featured_media_url":"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-12-7.11.07.jpg","jetpack-related-posts":[{"id":61775,"url":"https:\/\/phys-edu.net\/wp\/?p=61775&lang=es","url_meta":{"origin":57312,"position":0},"title":"\u00bf\u00a1Se llama \u201clos test\u00edculos del perro\u201d!?! La peque\u00f1a flor azul Veronica persica y su sorprendente estrategia de supervivencia [\u00bf\u00a1Advertencia!?]","author":"\u6851\u5b50 \u7814","date":"2026\u5e743\u670823\u65e5","format":false,"excerpt":"Soy Ken Kuwako, entrenador cient\u00edfico. Cada d\u00eda es\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1492&lang=es"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/03\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-03-22-5.38.19.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/03\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-03-22-5.38.19.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/03\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-03-22-5.38.19.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/03\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-03-22-5.38.19.jpeg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":61357,"url":"https:\/\/phys-edu.net\/wp\/?p=61357&lang=es","url_meta":{"origin":57312,"position":1},"title":"\u00a1El \u201cconmutador\u201d del motor a la vista! Un aparato experimental que dispara la comprensi\u00f3n de los estudiantes (demostrador de motor electromagn\u00e9tico)","author":"\u6851\u5b50 \u7814","date":"2026\u5e743\u670810\u65e5","format":false,"excerpt":"\u00a1Hola! Soy Ken Kuwako, entrenador cient\u00edfico. Para\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1492&lang=es"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/05\/IMG_1386.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/05\/IMG_1386.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/05\/IMG_1386.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":52079,"url":"https:\/\/phys-edu.net\/wp\/?p=52079&lang=es","url_meta":{"origin":57312,"position":2},"title":"\u00a1Abre una lata y descubre un mundo! Diseca una almeja y desvela los misterios de los invertebrados","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670813\u65e5","format":false,"excerpt":"Ken Kuwako, tu entrenador de ciencias. 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