Movement of food through the digestive tract results from the action of
A)smooth muscle.
B)undifferentiated muscle.
C)voluntary muscle.
D)skeletal muscle.
E)cardiac muscle.

Question

Quizplus · Accepted Answer

Smooth muscle is responsible for the involuntary movement of food through the digestive tract. Undifferentiated muscle does not exist, voluntary muscle is under conscious control and not involved in digestion, skeletal muscle is also under conscious control and only involved in swallowing, while cardiac muscle is found only in the heart and not involved in digestion.

Movement of Food Through the Digestive Tract Results from the Action