Question

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

Answer 1

nitrogen goes inside but it comes out during exhalation nitrogen comes out ( it is not used a single percentage)
78.8 % nitrogen goes in and 78.8% comes out

nitrogen is also used in growth but it is obtained from food not from air.

Answer 2

Answer:

hope this helps you :)

Explanation:

B) it comes out with the carbon dioxide during exhalation