Non-ciliated simple columnar epithelium often contains _______, which increase the surface area for secretion and absorption.
A. flagella
B. collagen fibres
C. microvilli
D. all of these
Correct Answer :
C. microvilli
The columnar epithelium is composed of a single layer of tall and slender cells. Their free surface have microvilli found in the lining of stomach and intestine and help in secretion and absorption.