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brain
vocabulary brain function
9
Science
7th Grade
04/12/2011

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Term
axon
Definition
long extension of nerve cell that carries messages away from cell body
Term
dedrites
Definition
Extension of nerve cell that recieve messages
Term
Synapse
Definition
gap between neurons that messages must cross
Term
Sensory Neurons
Definition
cells that bring information from the sence organs to brain
Term
Motor Neurons
Definition
Nerve cell that conduct impulse from brain to muscles or body part
Term
Neuron
Definition
specialized message carrying cells
Term
Reaction Time
Definition
amount of time it takes for the stimulus to produce a response
Term
Neuralpathway
Definition
the pathway of neurons that message travels from sensory neurons to motor neurons
Term
Neurotransmitter
Definition
a chemical that is released into the synapse so that a message can continue
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