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Flura [38]
3 years ago
14

A ______ is a circular band of muscles designed to prevent movement into or out of a body cavity or organ. Multiple choice quest

ion.
Biology
1 answer:
grandymaker [24]3 years ago
8 0

Answer:

sphincter

Explanation:

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

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