Question

The function of the myelin sheath found in some neurons is to _________. (Select all that apply.)
protect the cell body
speed transmission of impulses
take messages to the brain
insulate and protect the axon

Answer 1

The main function of the myelin sheath is to insulate the axons of the neurons (the fourth opton).

As it does that, it also speeds the transmission of the impulses:without it, the transmission would be slower (second option)

Ps. Multiple sclerosis is the illness of the myelin sheath