When we breathe in air,nitrogen also goes ins | vedclass

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(D) The air we breathe contains approximately $78\%$ nitrogen and $21\%$ oxygen. While oxygen is essential for cellular respiration and is absorbed in

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It comes out with the $CO_2$ during exhalation

Vedclass · Answer

(D) The air we breathe contains approximately $78\%$ nitrogen and $21\%$ oxygen. While oxygen is essential for cellular respiration and is absorbed into the blood through the alveoli in the lungs,nitrogen is an inert gas in the context of human metabolism. Because nitrogen does not participate in any metabolic reactions within the body,it is not absorbed by the blood or cells. Therefore,the nitrogen that enters the lungs during inhalation simply remains in the air passages and is expelled from the body along with $CO_2$ during the process of exhalation.

When we breathe in air,nitrogen also goes inside along with oxygen. What is the fate of this nitrogen?

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