Question

today is a nonsense question day
so i am asking a nonsense question why does it happen when we intake oxygen tgen why we exhale carbon dioxide why not other gases​

Answer 1

Answer:

We actually output other gases like methane lol

Explanation:

Well since most of the air we breathe is made up of nitrogen we also breathe out nitrogen

Source: da brain

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Answer 2

Answer:

our body needs oxygen for certain processes in the body .When the work is done oxygen is transformed into carbon dioxide .So, oxygen is inhaled while carbon dioxide is exhaled.