Question

why do we inhale oxygen only and why we not inhale other gases

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Answer 1

Answer:

Why do we inhale oxygen and exhale carbon dioxide? ... The short answer is that you inhale oxygen because you need oxygen for some biological processes. A fairly important one is the production of ATP, the energy all of our cells use. In the process, electrons are used and oxygen has a high affinity for electrons

Explanation:

here is your answers

Answer 2

Answer:

We actually do inhale other gases

Explanation:

but our blood absorbs oxygen mainly