The myelin sheath:

A) is a special substance protecting the dendrites.
B) helps to speed up transmission of neural messages.
C) is responsible for polarization.
D) all of the above

Myelin Sheath

A fatty layer that surrounds nerve fibers, aiding in the rapid transmission of electrical signals.

Neural Messages

Neural messages are electrochemical signals transmitted along neurons, enabling communication within the nervous system.

Polarization

A process in which differences between opinions, beliefs, or interests become more extreme, leading to division within groups or societies.