What is the Contraction of Smooth Muscles That Moves a Bolus

Question

What is the contraction of smooth muscles that moves a bolus of food down the esophagus called?
A) emulsification
B) elimination
C) peristalsis
D) detoxification

Accepted Answer

Peristalsis is the contraction of smooth muscles that moves a bolus of food down the esophagus. Emulsification is the breaking down of large fat globules into smaller ones by bile. Elimination is the act of expelling waste products from the body. Detoxification is the process of removing toxic substances from the body.