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1 November, 19:31

How does the circulatory system work at the organ level?

O

Blood cells carry nutrients.

O Cardiac muscle contracts.

O The heart pumps the blood

O Nutrients are delivered throughout the body.

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Answers (2)
  1. 1 November, 21:19
    0
    C. The heart pumps the blood

    Explanation:

    I just took the quiz.
  2. 1 November, 22:35
    0
    The heart pumps the blood
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