Which Muscle Compresses the Lips

Question

Which muscle compresses the lips?
A) Levator labii superioris
B) Depressor labii inferioris
C) Levator anguli superioris
D) Orbicularis oris

Accepted Answer

The orbiscularis oris muscle closes and compresses the lips.It circles the lips like a purse string and interlaces with all surrounding muscles.The levator labii superioris elevates the upper lip.The depressor labii inferioris pulls the lower lip down into a pout.The levator anguli superioris pulls the angles of the mouth up and toward the midline.