373,283 views
18 votes
18 votes
A ______ is a circular band of muscles designed to prevent movement into or out of a body cavity or organ. Multiple choice question.

User Tsvedas
by
3.0k points

1 Answer

27 votes
27 votes

Answer:

sphincter

Step-by-step explanation:

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

User Ron Norris
by
2.6k points