Question

The bolus of food moves through the esophagus by involuntary muscular contraction called.

Answer 1

Answer:

- Peristalsis.

Explanation:

- Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract. It starts in the esophagus where strong wave-like motions of the smooth muscle move balls of swallowed food to the stomach.

If this answer useful kindly mark it as a Brilliant.

Best wishes