Q. The area of inner surface of bronchiole is
A) $1\ m^{2}$
B) $10\ m^{2}$
C) $100\ m^{2}$
D) $1000\ m^{2}$
Explanation
There are as many as 750 million of alveoli in both the lungs of adult man, which provide about 100 sq metre surface area or respiration.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.