The alimentary canal extends, in its entirety, from
A)the mouth to the large intestine.
B)the stomach to the small intestine.
C)the liver to the gallbladder.
D)the mouth to the anus.

Question

Quizplus · Accepted Answer

The alimentary canal refers to the entire digestive tract, which includes the mouth, pharynx, esophagus, stomach, small intestine, large intestine, and anus. Therefore, the entire length of the canal extends from the mouth to the anus. Choice D is the only option that includes both ends of the canal.

The Alimentary Canal Extends, in Its Entirety, from