Question

When we breathe in a nitrogen also goes inside along with oxygen what is the function of Nitrogen

Answer 1

When we breathe in, 78% nitrogen also goes inside along with 21% oxygen, but all this 78% Nitrogen is exhaled out when we breathe out.

This is due to the reason that, Nitrogen has no use in our body.

Answer 2

Answer:

hope this helps you :)

Explanation:

B) it comes out with the carbon dioxide during exhalation