Biology, 09.07.2021 18:20 sfcsullivan9466

HELPP Why is it important that oxygen and carbon dioxide levels be closely regulated in the human body?

A) Both gases are needed for the proper functioning of cell processes
B) Oxygen is needed for cell processes and carbon dioxide is a waste product
C) Both gases are waste products that need to be removed from cells
D) The carbon and oxygen from the gases are needed to build new molecules.

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