When contracted,________ prevents movement of chyme from the stomach to the small intestine.
A)peristalsis
B)reverse peristalsis
C)the epiglottis
D)a sphincter

Question

Quizplus · Accepted Answer

A sphincter is a circular muscle that contracts to close an opening. The sphincter located at the bottom of the stomach is called the pyloric sphincter, and it prevents the movement of chyme from the stomach to the small intestine when contracted.

When Contracted,________ Prevents Movement of Chyme from the Stomach to the Small