Biology, asked by athew4332, 8 months ago

please answer this question, don't answer if u don't know

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Answered by Anonymous

Explanation:

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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