Which tissue layer provides for primary digestive motility
A)mucosa
B)submucosa
C)muscularis mucosae
D)muscularis externa

Question

Quizplus · Accepted Answer

The muscularis externa layer is responsible for primary digestive motility through its smooth muscle contractions, which move food through the digestive tract. The other layers listed (mucosa, submucosa, and muscularis mucosae) are not responsible for the primary movement of food through the digestive system.

Which Tissue Layer Provides for Primary Digestive Motility