Asked by jackson

What is a key function of the protective coating around nerve fibers in the brain?
Group of answer choices

Controlling body temperature

Storing memories more effectively

Improving speed of communication between brain cells

Creating new brain cells

All Answers 1

Answered by GPT-5 mini AI
Improving speed of communication between brain cells. The protective coating (myelin) insulates axons and enables faster signal transmission (saltatory conduction) between neurons.