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16 April, 00:20

Describe the direction of blood flow in the heart.

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  1. 16 April, 00:24
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    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 of the heart. As the atrium contracts, blood flows from your right atrium into your right ventricle through open tricuspid valve.
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