nervous system

Created by dadkins1973 

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Central. peripheal, and parts of the brain

central nervous system

brain and spinal cord

peripheal nervous sytem

nerves that branch out from the brain and spinal cord and connect to sense and internal organs

neuron

nerve path for impulses traveling to and from the brain

dendrite

part of the neuron which brings impulses to the cell body

axon

part of the neuron whisch carries impulse away from the cell body

myelin

covering of the axon which keeps the electrical impulse from travelingout of the axon

sensory neuron

collects signals from receptor cells and sends them to the brain or spinal cord

interneuron

connects sensory neurons and motor neurons

motor neurons

messgaes from the brain and spinal cord go to the motor neurons which are connected to muscle cells

synapse

gap between neurons

reflex action

by passes normal paths to brain and goes to the spinal cord for immediate action againist danger

sense organs

eyes, nose, skin, toungue, ears

somatic nervous system

controls voluntary action

autonomic nervous system

controls involuntary action

cerebrum

where voluntary activities, intelligence, learning, and judgement occur. Where attitudes, emotions, and personality are formed.

cerebellum

responsible for maintaining our bodies' balance and muscle coordination

medulla

part of the brain that connects to the spinal cord; controls invluntary actions such as heartbeat, blood pressure and breathing rate

midbrain

controls and moves the eyes

pons

regulates waking and sleeping

hypothalamus

regulates body temperature and indicates wneh we need food and drink

thalamus

the brains 'sensory switch board' located at top of brainstem; directs messages to the sensory receiving areas in the cortex

pituitary gland

"master gland" at the base of the brain; regulates growth and controls other endocrine glands

corpus collosum

connects the left & right hemispheres of the cerebrum

brain stem

connects the brain and spinal cord

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