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Unit 3 - Nervous Sys

Neurons

QuestionAnswer
Homeostasis When everything in your body is in balance
Neuron Special cells that pass information through your nervous system
Dendrite Branch-like structures that receive the nerve impulse and bring it to the cell body
Axon Long, thin structure that carries the nerve impulse away from the cell body
Cell body Main part of the neuron that contains the nucleus
Myelin Fatty substance that is wrapped around the axon to speed up the nerve impulse
Synapse Small gap between the axon tip of one neuron and the dendrite of the next neuron
Neurotransmitter Chemical that carries a nerve impulse across the synapse
Motor neuron Sends nerve impulse to muscles, causing them to move
Sensory neuron Picks up stimulus from the environment and changes it to a nerve impulse
Interneuron Carries nerve impulses from one neuron to another
Nerve impulse electrical and chemical message that is passed through your nervous system
Created by: KSDSrocks!
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