Nerve fibers specialized to carry impulses in the central nervous system are insulated by a fatty white sheath of myelin. What is the purpose of the myelin sheath on the axon of a nerve?
A to maximize the speed of transmission
B to connect dendrites to the axon
C to prevent impulses from moving too quickly
Answers: 2
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Nerve fibers specialized to carry impulses in the central nervous system are insulated by a fatty wh...
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