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19 March, 17:50

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

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Answers (2)
  1. 19 March, 17:52
    0
    B, Carries Carbon dioxide-rich blood from the lungs to the heart
  2. 19 March, 17:53
    0
    The correct answer is D
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