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How does the circulatory system work at the organ level?

Nutrients are delivered throughout the body.

Cardiac muscle contracts.

The heart pumps the blood.

Blood cells carry nutrients.

asked
User Shawnett
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8.2k points

2 Answers

2 votes

Answer:

the third one

Step-by-step explanation:

i took the test honey boo

answered
User Efferalgan
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8.6k points
5 votes
The heart pumps the blood.
answered
User DainDwarf
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8.1k points
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