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Set 4 Nervous

The Nervous System

QuestionAnswer
Stimulus any change or signal in the enviroment that makes the organism react
Response what your body does in reaction to a stimulus
Neuron cells that carry info through the nervous system
Nerve impulse a message that a neuron carries
Dendrite carries impusle toward cell body
Axon carries impulse away from cell body
Nerve a bundle of nerve fibers
Sensory Neuron picks up stimuli from internal/external environment and converts each stimulus into a nerve impulse
Interneuron a neuron that carries nerve impulses from from neuron to another
Motor Neuron Sends an impulse to a muscle and the muscle contracks in response
Synaspe a tiny space between each axon and the next structure
Centeral Nervous System constists of brain and spinal cord
Peripheral Nervous System consists of all nerves located out side the nervous system
Brain located in the skull, part of the centeral nervous system that controls most functions in the body
Spinal Cord a thick column of nerve tissue that links the brain to most of the nerves in the peripheral nervous system
Cerebrum interprets inout from the senses, controls the movement of the skeletel muscles, carries out complex mental processes like: remembering, making good judgments
Cerebellum cordinates the actions of your muscles and helps you keep your balance
Brain stem lies between the cerebellum and the spinal cord, controls your body involuntary actions (those that occur automatically)
Somatic Nervous System controls voluntary actions (tying shoelaces, picking up a fork)
Autonomatic Nervous System controls involuntary actions (adjusting blood vessels)
Reflex automatic response that occurs very rapidly and without conscious control (blinking)
Concussion bruise-like injury to the brain
Created by: potatoe
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