Question

The involuntary muscle that moves food through the digestive system is called what kind of muscle?

Answer 1

Smooth muscle.

Explanation:

Smooth muscles are located in the wall of digestive tract. The contraction and relaxation of the muscle creates a movement called "peristalsis". Peristalsis propels food through the digestive tract.

The following diagram shows cross section of intestine (a part of digestive tract). Here we can see the smooth muscles in the wall of intestine. This smooth muscles move food through the digestive tract.