Q. Diffusion membrane is made up of

A) Thin squamous epithelium of alveoli
B) Endothelium of alveolar capillaries
C) Basement substance in between the two mentioned above
D) All of the above
Explanation

Diffusion membrane is made up of three layers (i) Thin sequamous epithelium of alveoli. (ii) Endothelium of alveolar capillaries. (iii) Basement substance in between the squamous in epithelium of alveoli and endothelium of alveolar capillaries

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.