2. Tubes which carry blood to the heart from the body
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pulmonary arteries are the tubes which carries blood to the heart from the body
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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. As the atrium contracts, blood flows from your right atrium into your right ventricle through the open tricuspid valve.
Explanation:
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