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Introduction to the cardiovascular system
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Pregunta:
What are the valves that control blood flow from atrium to ventricle and what causes it to open and shut
Autor: Lapras FanRespuesta:
Mitral valve - prevents backflow into the atrium from the ventricle Opens when atrial pressure exceeds intra-ventricular pressure Closes when ventricular pressure exceeds atrial pressure Some backflow is needed to ensure the valves close
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