Closing or puckering the lips is the action of the ________ muscle.

A) auricularis
B) orbicularis oris
C) orbicularis oculi
D) levator anguli oris
E) zygomaticus

Orbicularis Oris

A complex of muscles in the lips that encircles the mouth, controlling the movements involved in lip closure, puckering, and speech.

Puckering

The formation of small wrinkles or folds in a surface, often caused by contraction, shrinking, or gathering, particularly in skin or fabric.