#Anatomy 

Muscles of the mouth (buccolabial group)
Muscles of the nose (nasal group)
Muscles of the cranium and neck (epicranial group)
Muscles of the external ear (auricular group)
Muscles of the eyelid (orbital group)
The specific location and attachments of the facial muscles enable them to produce movements of the face, such as smiling, grinning and frowning. Thus, these muscles are commonly called muscles of facial expression, or mimetic muscles. All of the facial muscles are innervated by the facial nerve (CN VII) and vascularized by the facial artery