Peripheral Nervous System (PNS)

* on a cranial nerve indicates it is part of the Parasympathetic Nervous System

Afferent Division

Sensory division, contains sensory receptors

Efferent division

Motor division, contains somatic and autonomic nervous system

Sympathetic nervous system

flight & flight, dilation of pupils

Parasympathetic nervous system

rest & digest, constriction of pupils

Autonomic nervous system

controls all involuntary body movements (info reception, homeostasis, hormonal release, etc.)

Somatic Nervous system

controls all voluntary body movements (motor output, sensory awareness, movement)

Olfactory nerve

Sensory, smell

Optic nerve

Sensory, sight

Occulomotor nerve*

Motor, eye movement (constriction)

Trochlear nerve

Motor, eye movement

Trigeminal nerve

Both; Facial sensation, jaw movement

Abducens nerve

Motor, eye movement

Facial nerve*

Both; facial movement, taste in one aspect of tongue

Vestibulocochlear nerve

Sensory; hearing, balance

Glossopharyngeal nerve*

Both; taste, swallowing

Vagus nerve*

Both, innervates tracts of viscera

Accessory nerve

Motor, shrugging

Hypoglossal nerve

Motor, tongue movment