Orbicularis oculi muscle-around the orbit, contracting can close your eyes;

Eyebrow depressor-contraction can make eyebrows downward;

Nasal muscles-contraction will lead to longitudinal wrinkles on both sides of the bridge of the nose;

Rectangular muscle of upper lip-pulling the upper lip and alar upward during contraction;

Zygomatic muscle-when contracting, the corners of the mouth are outward and upward, making the mouth wider;

Orbicularis oris muscle-the mouth closes during contraction;

Masseter muscle-when the teeth are angry, they do closed movement and the surface is convex;

Deltoid muscle-affects the downward movement of the corners of the mouth;

Mandibular muscle-can pull the mandibular skin upward when contracting;

Frown muscle-contraction can make the left and right eyebrows close together, resulting in longitudinal wrinkles between the eyebrows;

Laughter muscle-similar to deltoid zygomatic muscle, it can help chewing;

Musculus labialis-can make the corners of the mouth move outward and downward.