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what is the role of pulmonary artery and vena cava in the human circulatory system? what is the answer |
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Answer» 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. The pulmonary vein empties oxygen-rich blood, from the lungs into the left atrium. |
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