Nerve Cells Neurons

Objectives

When you have completed this section, you should be able to

• identify the parts of a neuron;

• explain how neurons transport materials between the cell body and tips of the axon;

• name the cells that aid neuron function and state their functions;

• describe the myelin sheath that is formed around certain nerve fibers and explain its importance; and

• explain how damaged nerve fibers regenerate.

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Conquering Fear In The 21th Century

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