The circumferential folds that encircle the digestive tract are known as
A)muscularis externa.
B)circular folds.
C)rugae.
D)serosa.
E)adventitia.

Question

Quizplus · Accepted Answer

Circumferential folds that encircle the digestive tract are called circular folds. Muscularis externa is a layer of smooth muscle in the digestive tract. Rugae refers to the folds in the stomach lining that allow for expansion. Serosa and adventitia are layers that surround the digestive tract, providing support and protection.

The Circumferential Folds That Encircle the Digestive Tract Are Known