CNS, Cranial Nerve, & Spinal Nerves: Cranial Nerves (copy)

olfactory nerve (I)

sensory, smell

optic nerve (II)

sensory, vision

oculomotor nerve (III)

motor and parasympathetic, eye movement, upper eyelid elevation, and pupil contraction

trochlear nerve (IV)

motor, superior oblique eye movement (eye in and down)

trigeminal nerve (V)

mixed; sensation of the face and control of chewing movements

abducens nerve (VI)

motor; lateral eye movement (outward)

facial nerve (VII)

mixed; manages facial expressions, taste on the anterior 2/3 of tongue, and tear/salivary gland secretion

vestibulocochlear nerve (VIII)

sensory; hearing and balance

glossopharyngeal nerve (IX)

mixed; taste on posterior 1/3 of tongue, swallowing muscle, and parotid intestine

vagus nerve (X)

mixed; regulates heart rate, digestion, and visceral functions down to large intestine; largest cranial nerve

accessory nerve (XI)

motor; controls neck and shoulder movements (sternocleidomastoid and traps)

hypoglossal nerve (XII)

motor; tongue movements