Question: Why do animals absorb oxygen from the environment and release carbon dioxide into the environment? Group of answer choices Oxygen is turned into carbon dioxide
Why do animals absorb oxygen from the environment and release carbon dioxide into the environment?
Group of answer choices
Oxygen is turned into carbon dioxide in the lungs during the process of breathing to rid the body of excess carbon.
Oxygen is used as an electron acceptor in cellular respiration and carbon dioxide is a waste product of respiration.
Oxygen is needed to complete the digestion of proteins in the small intestine and carbon dioxide is a waste product of that digestion.
Oxygen is used in the kidneys to form carbon dioxide from excess carbon circulating in the blood.
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