QUESTION IMAGE
Question
multiple choice question
the myelin sheath is a spiral layer of _______ around a nerve fiber.
o muscle tissue
o dendrites
o insulation
o scar tissue
Brief Explanations
The myelin sheath is a fatty - like layer around nerve fibers that acts as an electrical insulator, speeding up nerve impulse transmission. It is not muscle tissue, dendrites, or scar tissue.
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C. insulation