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How does the circulatory system work at the tissue level?

The heart pumps the blood.

Cardiac muscle contracts.

Blood cells carry nutrients.

Nutrients are delivered throughout the body.

User Zohreh
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Answer: The answer is: cardiac muscle contracts.

Step-by-step explanation: I did the k12 quiz ⬇

How does the circulatory system work at the tissue level? The heart pumps the blood-example-1
User Michael Rys
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The circulatory system is a network consisting of blood, blood vessels and the heart
User Reza Shoja
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