Question

What is the importance of respiration?

A.) it breaks down food that is ingested to its building blocks

B.) it builds glucose molecules that are needed for producing energy in cells

C.) it produces energy that is needed for normal functioning of the cells

D.) it transports oxygen from the air to the cells.

Answers

Julia
A or C? I can’t choose
Anonymous
I do not think it is either A or C.
Think how do your lungs use O2 from the air ?
By the way plants use CO2 (perhaps exhaled from your lungs if not from your car exhaust) to make glucose and release O2 back to the air
PsyDAG
If you can't figure it out from what Anonymous said, it's D.

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