Question

define the sphincter

Answer 1

Explanation:

A sphincter is a circular muscle that normally maintains constriction of a natural body passage or orifice and which relaxes as required by normal physiological functioning.

Answer 2

Answer:

An anal sphincter is a group of muscles at the end of the rectum that surrounds the anus and controls the release of stool, thereby maintaining continence.

Explanation:

hope this helps you✨