What does the myelin sheath of an axon accomplish? A. It enables an axon to communicate with other axons. B. It enables action potentials to travel both directions along an axon. C. It enables...

What does the myelin sheath of an axon accomplish?
A. It enables an axon to communicate with other axons.
B. It enables action potentials to travel both directions along an axon.
C. It enables nutrients to enter the axon.
D. It enables action potentials to travel more rapidly.