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10. Movement of blood through the
tissues of the heart

User Mkso
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1 Answer

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Answer: 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.

Step-by-step explanation:

User Eastboundr
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