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What is a collection of organs whose primary function is to take in oxygen
and expel carbon dioxide?

•cardiovascular system

•skeletal system

•muscular system

•respiratory system

Respuesta :

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Answer:

D;  respiratory system

Explanation:

a collection of organs whose primary function is to take in oxygen and expel carbon dioxide; the organs of this system include the lungs, the throat, and the passageways that lead to the lungs.

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