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The nervous system is divided into?

the central nervous system(CNS) and the peripheral nervous system(PNS)

what structure protects the brain and spinal cord?

the brain and spinal cord are protected by bony structures, membranes and fluids

where is the brain held?

it is held in the cranial cavity of the skull

what parts make up the brain?

the brain consists of the cerebrum, cerebellum and the brain stem

what are the functions of the nervous system?

sensory input, integration of data and motor output

what is sensory input?

this is where the body gets information from neurons, glia and synapses

what is the nervous system composed of?

it is composed of nerve cells and synapses

how does stimuli get from to the brain?

through nerves from sensory receptors to the brain

what is the CNS comprised of?

it includes the brain and the spinal cord

Name two nerves are found in the CNS?

the cranial nerves and spinal nerves

what is the peripheral nervous system?

the peripheral nervous system makes up all other parts that are not the brain or the spinal cord

what are the functions of the peripheral nervous system?

it serves as a communication lines between the brain, spinal cord, glands and muscles

what is the peripheral nervous system?

it can be subdivided into somatic and autonomic system

what are the twelve cranial nerves?

Olfactory Nerve, Optioc nerve, Oculomotor, Trochlear, Trigeminal, Abducens, Facial, Vestibulocochlear, Glossopharengeal, vagus, spinal accessory, spinal accessory, Hypoglossal

Whats the function of the olfactory nerve?

for smell

Whats the function of the optic nerve?

for vision

Whats the function of the Oculomotor nerve?

for looking around

Whats the function of the Trochlear nerve?

for moving eye

Whats the function of the Abducens nerve?

for the movement of eye muscles

Whats the function of the Facial nerve?

it is used for smiling, winking

Whats the function of the Vestibulocachlear nerve?

it helps with hearing, balance and equilibruim

Whats the function of the Glossopharengeal nerve?

it helps in swallowing and gagging

Whats the function of the vagus nerve?

used for swallowing, talking, parasympathetic actions of digestion

Whats the function of the spinal accessory nerve?

helps shrugging the shoulders

Whats the function of the Hypoglossal nerve?

found in tongue

Where do majority of the cranial nerves originate from?

10 out of the 12 cranial nerves orininate from the brain stem

Spinal nerves originate from?

the spinal cord