Unit 3: Communication, Control, Integration.

Chapter # 18 Nervous System Cells.

Chapter # 19 nerve Signaling.           

Compose 400 words or more discussion to respond the following:

List the major subdivisions of the human Nervous System. Mention the five main types of Glia.

What is the difference between an axon and a dendrite?

What are the three structural categories of neurons?

What are the three functional categories of neurons?

What are the essential components of a Reflex Arc?

Under what circumstances can a nerve fiber be repaired?

In a resting neuron, what positive ion is most abundant outside the plasma membrane? What positive ion is most abundant inside the plasma membrane? List the events that lead to the initiation of an action potential.

How do excitatory neurotransmitters differ from inhibitory neurotransmitters?

Anathomy Nervous System