12 Cranial Nerves

olfactory

#1 - sensory; sense of smell

optic

#2 - sensory; vision

oculomotor

#3 - motor; raise eyelids, move eyes, regulate the size of pupils, focus of lenses

trochlear

#4 - motor; eye movements, proprioception

trigeminal

#5 - mixed; sensations of the head and face, chewing movements, and muscle sense

abducens

#6 - motor; produce movements of the eyes

facial

#7 - mixed; facial expressions, secretion of saliva, taste

vestibulocochlear

#8 - sensory; balance or equilibrium sense, hearing

glossopharyngeal

#9 - mixed; taste & other sensations of tongue, swallowing, saliva, aid in reflex control of blood pressure & respiration

vagus

#10 - mixed; transmit impulses to muscles associated with speech, swallowing, the heart, muscle in the thorax, and abdomen

accessory

#11 - motor; turning movements of the head, shoulder and viscera, voice production

hypoglossal

#12 - motor; tongue movements