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


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