Question

Which muscle is responsible for closing or puckering the lips?

Answer 1

Orbicularis oris

Explanation:

Orbicularis oris muscle is located in area of mouth that surrounds the lips. It originates from maxilla(upper jaw) and mandible(lower jaw) and inserts into the skin that surrounds the lips.

Contraction of the muscle narrows orifice of mouth puckering the lip. It also helps in playing flute.

Hope it helps...