I.

Smell

II.

Vision (adjusting lens and constricting pupil)

III.

Movement of eyeball

Elevation of upper eyelid

Contriction of iris

Focusing by lens (accomodation)

IV.

Eye movements (down and out)

V.

Chewing

Conveys general senses from:

tongue (not taste), cornea, nasal cavity, front of scalp, upper eyelid, conjunctive, lacrimal gland, cheeck, upper lip, upper teeth, mucosa of nasal cavity, palate, parts of pharynx

VI.

Abduction of eye (lateral movement)

VII.

Taste (anterior 2/3 of tongue), Salivation, Lacrimation, Movement of muscles of facial expression

VIII.

hearing, equilibrium

IX.

Taste (posterior 1/3 of tongue)

Other tongue sensations

Secretion of saliva

Swallowing

X.

"wanderer"

Swallowing

Monitors oxygen and carbon dioxide in blood

Senses blood pressure

Other visceral activities of affected systems

XI.

Voice production (larynx)

Muscle sense

Movement of head and shoulders

XII.

Movements of tongue during speech

Swallowing

Muscle sense