Question
Biology Question on earthworm
The function of typhlosole in earthworm is to:
A
secrete digestive juice
B
slowdown rate of passage of food
C
increase absorptive area of intestinal epithelium
D
have no function
Answer
increase absorptive area of intestinal epithelium
Explanation
Solution
Typhlosolar region is a part of intestine which runs from 27th segment upto 24 to 25 segments infront of the anus. In this part, the mid-dorsal wall of intestine is thrown into longitudinal fold called typhlosole, which increase the absorptive surface of the intestine.