Q.
In heavy smokers, the alveoil of the lungs are enlarged and damaged, which reduces the surface area for the exchange of respiratory gases. The condition is called
A) Asthma
B) Silicosis
C) Emphhysema
D) Insomnia
Explanation
Smoking causes inflammation of lung alveoli, which decreases surface area for gaseous exchange and causes emphysema.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.