Physics, 07.05.2021 20:30 maddie953

17. Which best describes the Importance of the respiratory system? a. It allows oxygen to be taken in and nitrogen to be expelled
b. It allows carbon dioxide to be taken in and nitrogen to be expelled
c. It allows oxygen to be taken in and carbon dioxide to be expelled
d. It allows carbon dioxide to be taken in and oxygen to be expelled

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17. Which best describes the Importance of the respiratory system? a. It allows oxygen to be taken...