Which layer of the digestive tract gives rise to sphincters?
A)mucosa
B)circular muscle
C)longitudinal muscle
D)submucosa
E)serosa

Name: Which layer of the digestive tract gives rise to sphincters? A)mucosa B)circular muscle C)longitudinal muscle D)submucosa E)serosa
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Question

Which layer of the digestive tract gives rise to sphincters? ​
A)mucosa
B)circular muscle
C)longitudinal muscle
D)submucosa
E)serosa

Quizplus · Accepted Answer

Sphincters in the digestive tract are formed by the thickening of the circular muscle layer, which controls the passage of digestive materials by contracting and relaxing.

Which Layer of the Digestive Tract Gives Rise to Sphincters