What do the respiratory system and cellular respiration have in common? question 2 options: oxygen plays a key role in both. they both rely on the heart. they both expel oxygen as a waste product. they

asked Feb 17, 2023 146k views

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by Zory

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answer: A. Oxygen plays a key role in both.

Explanation: I took the quiz.

Willlma answered Feb 23, 2023

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