Q. 48 A4.3( 7 Votes )

Explain how, the air we breathe in gets cleaned while passing through the nasal passage.

Answer :

The inner lining of nostril is lined by nasal hair and remains wet due to mucus secretion. When air passes through the nasal passage, the nasal hair and mucus trap the dust particles and other impurities present in the inhaled air. Thus, clean air goes into the lungs.


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