Cranial Nerves Functions Overview

Front

Facial Nerve

Back

Operates muscles for most facial expressions, taste buds, salivating, blinking, and sends info from outer ear brain

Front

Vestibulocochlear Nerve

Back

sends auditory info. from

cochlea → brain; key for hearing and balance

Front

Glossopharyngeal nerve:

Back

sensation, taste, swallowing,

and sends sensory info. from sinuses → brain

Front

Vagus nerve:

Back

the longest nerve as it extends all the

way into the abdomen; mainly controls the heart and

digestive tract

Front

Accessory nerve:

Back

controls muscles in neck

Front

Hypoglossal nerve:

Back

controls most muscles in tongue

so we can swallow and talk

Cranial Nerves

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Front

Olfactory nerve:

Back

sends scent info. from nose → brain

Front

Optic nerve:

Back

sends visual info. from eyes → brain

Front

Oculomotor nerve:

Back

controls movement of 4 out of 6

eye muscles as well as the pupils’ response to light

Front

Trochlear nerve:

Back

controls movement for an eye

muscle