Biology, 23.01.2021 04:30 deepspy599otchpd

Why do we breathe in oxygen and exhale carbon dioxide?
A. Oxygen is a product of cellular respiration.
B. Both gases are produced during cellular
respiration.
C. Oxygen is required to start cellular
respiration, and carbon dioxide is a product.

Answers: 3

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Why do we breathe in oxygen and exhale carbon dioxide?
A. Oxygen is a product of cellular res...