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ikadub [295]
1 year ago
9

Explain why most nerve cells have a myelin sheath

Biology
1 answer:
Rina8888 [55]1 year ago
8 0

Myelin is a lipid-made substance that surrounds the axons of some neurons. This myelin sheath acts as an electrical insulator and speeds up the propagation of the action potentials inside the neurons' axons.

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