86 مناظر · 01/09/24
Blood Flow Through the Heart
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01/17/24
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium. As the atrium contracts, blood flows from your right atrium into your right ventricle through the open tricuspid valve.
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86 مناظر · 01/09/24
