The Hair Loss Encyclopedia
controls facial expressions and taste for the front tongue
The facial nerve, also known as Cranial Nerve VII, is a crucial nerve that controls the muscles responsible for facial expressions, such as smiling and frowning. It also plays a role in the sense of taste for the front two-thirds of the tongue, and it helps with the production of saliva and tears. Damage to this nerve can lead to conditions like Bell's palsy, which results in temporary facial paralysis.