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Gu3st:

Which of the following best describes one function of vessels in this system? Most arteries carry waste products back to the heart. Most veins carry waste products back to the heart. Capillaries carry carbon dioxide back to the heart. Alveoli carry carbon dioxide back to the heart.

Gu3st:

this is due today 0-0

Gu3st:

Please Help

Gu3st:

thank you

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