Which of the following acts as a covering layer for the Axons and help in supply of nerve impulses?
A
Synapse
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B
Dendrite
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C
Acetylcholine
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D
Mylein Sheath
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Solution
The correct option is D Mylein Sheath A protective covering that surrounds fibers called axons is called Myelin sheaths. Myelin sheaths are sleeves or covering of fatty tissue that protects our nerve cells. These cells are part of our central nervous system. The myelin sheath acts as an insulator which prevents short-circuiting in the neurons.The small gaps present in the myelin sheath is known as Nodes of Ranvier. The main purpose of the Myelin sheath is to act like an insulation and avoid the mixing of impulses in the adjacent axons.