Question

The function of hair and mucous lining in nostrils is to ______________.

• A. Filter inhaled air
• B. Prevent entry of foreign bodies and germs
• C. To warm up the air entering the lungs
• D. All of these

Answer 1

The correct option is D

All of these

The function of hair and mucous lining in nostrils is to filter inhaled air, prevent entry of foreign bodies and germs and to warm up the air entering the lungs.