When a neuron is at rest, the ions inside the cell are mostly _____ and the ions outside the cell are mostly _____.

While cutting wood for his daughter's playhouse, Lee accidentally severed his finger. Fortunately, Lee was quickly rushed to the hospital where his finger was successfully reattached. Lee was eventually able to regain some function and feeling in his once-severed appendage. Which of the following helped to repair the nerve fibers that give Lee the ability to regain function and feeling in his finger?

In a railway system, once a train stops at a particular location, people are able to exit the train and walk through a corridor that eventually connects to another train. Which part of the neuron works much like the train station?

Special types of glial cells generate a protective fatty substance called

The sac-like structures that are found at the end of a neuron's axon and that contain neurotransmitters are called

Neuroplasticity is

The _____ is the cell body, which contains the nucleus.

The brain is primarily comprised of two different kinds of cells. They are neurons and

In the disease _____, the myelin sheath is destroyed.