HUMAN ANATOMY AND PHYSIOLOGY

Cranial Nerves

Name

Number Function

Olfactory

I

Sensory for smell

Optic

II

Sensory for vision

Oculomotor

III

Motor to muscles that move eyelids and move eyes

**Sensory for proprioception (true for all motor nerves)

Autonomic nerve (visceral motor)

Trochlear

IV

Motor to muscles that move move eyes

Trigeminal

V

Sensory for face and head

Motor to muscles of mastication

Abducens

VI

Motor to muscles that move move eyes

Facial

VII

Motor to muscles of facial expression

Sensory for taste

Autonomic nerve (visceral motor)

Vestibulocochlear

VIII

Sensory for hearing and equilibrium

Glossopharyngeal

IX

Sensory for pharynx and tongue

Autonomic nerve (visceral motor)

Vagus

X

Motor to muscles for speech and swallowing

Sensory from pharynx, larynx, esophagus and thoracic/abdominal viscera

Autonomic nerve (visceral motor)

Accessory

XI

Motor to muscles of soft palate, pharynx, larynx, neck and back

Hypoglossal

XII

Motor to muscles that move tongue


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