The Muscularis Layer in the Wall of the Digestive Tract

question 70

Multiple Choice

The muscularis layer in the wall of the digestive tract is

• A) skeletal muscle throughout the tract, especially in the large intestine.
• B) the layer of the digestive tract wall that contains capillaries.
• C) in direct contact with the food that is consumed.
• D) composed of a layer of circular smooth muscle fibers and a layer of longitudinal smooth muscle fibers.
• E) connective tissue and the peritoneum.

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