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What does the pulmonary vein do?

O A. Carries carbon dioxide-rich blood from the heart to the lung
O B. Carries carbon dioxide-rich blood from the lung to the heart
O C. Carries oxygen-rich blood from the heart to the lung
O D. Carries oxygen-rich blood from the lung to the heart

User TheChetan
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2 Answers

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Answer:

B, Carries Carbon dioxide-rich blood from the lungs to the heart

Step-by-step explanation:

User Mike Hofer
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The correct answer is D
User Rafael Korbas
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