Which of the following is an important connec-
tion between breathing and cellular respira-
tion?

Answer: During cellular respiration, glucose reacts with oxygen to produce water and carbon dioxide. ... Which of the following is an important connection between breathing and cellular respiration? cellular respiration requires O2 (oxygen) All cells require energy.
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Answer:
BOur bodies use cellular respiration to make energy from oxygen. Carbon dioxide is a waste product of cellular respiration and is not needed by the body.