Match structural unit with correct characteristic.
-Secretes a watery lubricating fluid.
A)serosa
B)circular smooth muscle layer
C)mucous membrane
D)lamina propria
E)submucosa
F)longitudinal smooth muscle layer

Question

Quizplus · Accepted Answer

The serosa is the outermost layer of the gastrointestinal tract and secretes a watery lubricating fluid to reduce friction between the digestive organs and surrounding structures.

Match Structural Unit with Correct Characteristic