The disease multiple sclerosis is caused when
A) dendrites and axons reverse their function.
B) fibers along the axons get tangled.
C) myelin is replaced with a hard fibrous tissue.
D) too much myelin prevents the action of axons and dendrites.
Correct Answer:
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A)faster
B)slower
C)about
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A)protects the neuron from trauma.
B)allows
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