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How does the circulatory system work at the organ level?

The heart pumps the blood.

Blood cells carry nutrients.

Nutrients are delivered throughout the body.

Cardiac muscle contracts.

User Olegz
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2 Answers

11 votes
11 votes

Answer:

THE BLOOD CELLS CARRY NUTRIENTS

Step-by-step explanation:

User Dwight
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18 votes
18 votes

Answer:

The heart pumps the blood.

Step-by-step explanation:

I took the quiz and I used the other persons answer and got it wrong. The right one is the heart pumps the blood

User NoMoreZealots
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