Q. The cavities of alveoli of lungs are lined by
A) Cuboidal epithelium
B) Columnar epithelium
C) Stratified cuboidal epithelium
D) Squamous epithelium
Explanation
There are 300 millions of alveoli (also called acini) in two lungs. The alveoli have very thin wall consisting of squamous epithelium.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.