What is the main function of the circulatory system?
O A. To break down food into molecules of nutrients
O B. To collect wastes made by cells and remove them from the body
C. To carry nutrients to cells and wastes away from cells
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D. To protect the body from pathogens that can cause infection
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What is the main function of the circulatory system?
O A. To break down food into molecules of nutr...
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