Final answer:
An axon transmits nerve impulses from the cell body to other cells by branching into axon terminals where it communicates with dendrites. The myelin sheath insulates axons, aiding in signal transmission.
Explanation:
Axon is the long extension of a nerve cell's cell body that transmits nerve impulses to other cells. It branches at the end into axon terminals, where signals are transmitted to other cells, typically dendrites of other neurons. Axons are covered by myelin sheath, acting as an electrical insulator.
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