Seudónimo Seudónimo

02-12-2018
Chemistry

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The main function of the respiratory system is to A. break down food. B. exchange gases with the surroundings. C. deliver nutrients to the cells that need them. D. store waste products.

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coolboykidboys2 coolboykidboys2

02-12-2018

the answer is c because the main function is that so the answer is c

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