Why does an animal inhale?
A) To get rid of cellular waste like oxygen from the body.
B) So cells can use the oxygen in the air to produce energy.
C) To get rid of cellular waste like carbon dioxide from the body.
D) So cells can use the carbon dioxide in the air to produce energy.
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Why does an animal inhale?
A) To get rid of cellular waste like oxygen from the body.
B) So c...
B) So c...
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