allenpaietonp9v8sv
allenpaietonp9v8sv
02.11.2020 • 
Chemistry

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.

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