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Biology, 03.09.2020 16:01 JamierW2005

1. El corazón se localiza en el , que es el espacio comprendido entre ambos pulmones. 2. El es la capa funcional del corazón, puesto que su contracción impulsa la sangre hacia los pulmones y los demás tejidos. 3. Internamente el corazón presenta 4 cavidades: 2 cavidades superiores llamadas y dos cavidades inferiores conocidas como . 4. Entre la aurícula y ventrículo del mismo lado se encuentran las válvulas auriculoventriculares. En el lado derecho tenemos la válvula , mientras que en el lado izquierdo se encuentra la válvula . 5. El ciclo cardiaco comprende dos fases, una de contracción o y una de relajación llamada .

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1. El corazón se localiza en el , que es el espacio comprendido entre ambos pulmones. 2. El es la c...
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