12 HUMAN CRANIAL NERVES

• Olfactory (I) - smell
• Optic (II) - Ability to see
• Oculomotor (III) - eye movements, pupillary constriction, accommodation, eyelid opening
• Trochlear (IV) - eye movement (up & down, back & forth)
• Trigeminal (V) - facial sensation, taste, and jaw movements
• Abducens (VI) - abduction of eyes
• Facial (VII) - facial expression and taste
• Vestibulcochlear (VIII) - sense of hearing and balance
• Glossopharynx (IX) - taste and swallowing
• Vagus (X) - digestion and heart rate
• Accessory (XI) - movement of head and shoulders
• Hypoglossal (XII) - tongue movement