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Question


Myelin sheath does not conduct electric impulses. The possible reason could be:


Options:
A .   Myelin sheath absorbs electric charges passing through it.
B .   Myelin sheath is a poor conductor and thinly layered which allows small charges through it.
C .   It primarily consists of fat reserves which act as perfect insulator.
D .   Scientific mechanism is not understood.
Answer: Option C
:
C

Mylein sheath which covers the axon with certain gaps between two successive sheaths is composed of fatty material. Myelin with its various components is a perfect insulator and does not allow electric charges to pass through it.



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