2-2: WHAT ARE NEURONS AND HOW DO THEY TRANSMIT INFORMATION?
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Axon
the neuron extension that passes messages through its branches to other neurons or to muscles or glands
The cell body
The cells life support center
Neurons (nerve cells)
building blocks of the nervous system
Myelin Sheath
covers the axon of some neurons and helps speed neural impulses
Terminal branches of axons
form junctions with other cells
Dendrites
receive messages from other cells
