Q. Why does the air in the nasal cavity get warmed?
A) Because of the presence of many hairs present in nasal cavity
B) Because the nasal cavity has very good blood supply
C) Because the nasal cavity has mucous membrane
D) All of the above
Explanation
Nasal Cavity It is the first part of the respiratory system. It opens to the exterior through nostrils. The small hairs present in the cavity helps to filter the particles of dust and other foreign matter. The air in the nasal cavity gets warmed (because nasal cavity has very good blood supply) and moistened before it enters to the lungs
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.