From skin and mucous membrane of head and from teeth to brain; also from brain to chewing muscles
Sensations of face, scalp, and teeth; chewing movements
VI. Abducens
From brain to external eye muscles
Eye movements
VII. Facial
From taste buds to tongue to brain; from brain to face muscles
Sense of taste; contractions of muscles of facial expression
VIII. Vestibulocochlear
From ear to brain
Hearing; sense of balance
IX. Glossopharyngeal
From throat and taste buds of tongue to brain; also from brain to throat muscles and salivary glands
Sensations of throat; taste, swallowing movements, secretion of saliva
X. Vagus (longest)
From throat, larynx, and organs in thoracic and abdominal cavities to brain; also from brain to muscles of throat and to organs in thoracic and abdominal cavities
Sensations of throat and larynx and of thoracic and abdominal organs; swallowing, voice production, slowing of heartbeat, acceleration of peristalsis (gut movements)
XI. Accesory
From brain to certain shoulder and neck muscles
Shoulder movements; turning movements of head
XII. Hypoglossal
From brain to muscles of tongue
Tongue movements
On Old Olympus' Tiny Tops, A Friendly Viking Grew Vines and Hops.