Question

what is the purpose of respiration?

Answer 1

The main purpose of respiration is to provide oxygen to the cells at a rate adequate to satisfy their metabolic needs.

Answer 2

Respiration transforms the energy stored in foods eaten by an organism into energy that can be used for metabolic processes that sustain the organism's life. The importance of the respiratory system is critical; organisms can endure many days without food and sometimes a few without water, but cannot survive for more than a few minutes if respiration ceases.

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