1st Olfactory:-
Origin - olfactory epithelium
Function - sense to smell
2nd Optic:-
Origin - retina
Function - sense to sight
3rd Oculomotor:-
Origin - midbrain
Function - sense of muscle of eye
4th Trochlear:-
Origin - midbrain
Function - serve superior oblique eye muscle
5th Trigeminal:-
Origin - pons
Function - sensory from face and mouth
Motor to muscle of mastication
6th Abducens:-
Origin - pons
Function - serve the lateral rectus eye muscle
7th Facial:-
Origin - Pons
Function - Muscles of facial expression, taste buds, sensation in fingers and toes, blinking
8th vestibulocochlear:-
Origin - cochlea and semi circular canal
Function - Hearing and balance
9th Glossopharyngeal:-
Origin - Medulla oblongata
Function -Sensation, taste and swallowing
10th Vagus:-
Origin - Medulla oblongata
Function - Organs in chest and abdomen
11th Accessory:-
Origin - Medulla oblongata
Function - Supplies two neck muscles, the sternomastoid and trapezius
12th Hypoglossal:-
Origin - Medulla oblongata
Function - Muscles of the tongue and neck
