1. Why should we breathe only through our nose? – InterviewSolution

1.	1. Why should we breathe only through our nose?
Answer» Ans :- The lungs actually extract oxygen from the air during exhalation, in addition to inhalation. Because thenostrilsare smaller than the mouth, air exhaledthroughthenosecreates a back flow of air (and oxygen) into the lungs. Our nostrilsand sinuses filter and warm/cool air as it entersourbodies.

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