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Biology - the nervous system
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receptor
cells that detect a stimulus
nerve endings
connect sensory neuron to receptor cells
schwann cells
make the myelin sheath
myelin sheath
insulates the electrical impulses and speeds up transmission of impulse
dendrites
receives impulses and carry impulses twowards the cell body
axons
carries impulses away from the cell body
cell body
receives impulses and produces neurotransmitter chemicals
a ganglion
a group of cell bodies on the sensory neuron located on the outside of the CNS
neurotransmitter swellings
release neurotrasmitters which carry electrical impulses from one nerve to another across the synaptic cleft