Question
The epithelial lining in the alveoli of the frogs facing lung cavity is
squamous ciliated
columnar ciliated
columnar nonciliated
squamous nonciliated
Solution
B.
columnar ciliated
Alveoli is highly vascularised with an internal lining of very thin squamous epithelium, which always remain moist by mucus. The epithelial cells at the linar most margins of septa facing lung cavity are columnar and ciliated.
