Question

We exhale carbondioxide during the process of respiration. Why is it necessary?​

Answer 1

Answer:

We exhale carbon dioxide during the process of respiration because much carbon inside our body can harm our body parts. It is like a toxic waste for our body.

Answer 2

Explanation:

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Breathing uses chemical and mechanical processes to bring oxygen to every cell of the body and to get rid of carbon dioxide. Our body needs oxygen to obtain energy to fuel all our living processes. Carbon dioxide is a waste product of that process.