Question Detail

ZOO 101 Gas Exchange and Respiration in Mammals Objective Question

Question

What type of epithelium forms the walls of the alveoli?
Options
A Stratified squamous epithelium
B Ciliated columnar epithelium
C Simple squamous epithelium
Correct Answer
D Transitional epithelium
Correct Answer

Option C is the correct answer.

Detailed Explanation

The alveolar walls are made of simple squamous epithelium, which is a single layer of flat cells, minimizing the diffusion distance.

Hint

This is the thinnest type of epithelium.

Question Info