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27 July, 20:05

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

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  1. 27 July, 22:05
    0
    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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