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Question

The electrically insulating material covering the axon is called the .

A
dendrite
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B
myelin sheath
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C
cell body
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Solution

The correct option is B myelin sheath
The axons of neurons are usually covered with cells which electrically insulate the axon and help in proper conduction of nerve impulses. This covering forms the myelin sheath and is absent at regions called the nodes of Ranvier.

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