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Will mark brainliest. What is the main function of the circulatory system in multicellular organisms?

A: to bring oxygen into the lung.

B: to put carbon dioxide into all the blood vessels.

C: to expel waste products from the body.

D: to transport materials through the body.

Respuesta :

stephanielai914

Answer:

D: to transport materials through the body.

Explanation:

A: to bring oxygen into the lung. is incorrect because it's respiratory system

B: to put carbon dioxide into all the blood vessels carbon dioxide is exhaled out of the body

C: to expel waste products from the body. is excretory system

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