The main "swallowing" muscles are the
A) esophageal muscles.
B) pharyngeal constrictors.
C) buccinators.
D) masseters.

Question

Quizplus · Accepted Answer

The pharyngeal constrictors are the main muscles responsible for swallowing, as they contract in sequence to move food from the back of the mouth down into the esophagus. The esophageal muscles also play a role in moving food down the esophagus and into the stomach, but they are not considered the "main" swallowing muscles. Buccinators and masseters are not involved in swallowing, but rather in chewing and facial expression.

The Main "Swallowing" Muscles Are the