Respond to the following in a minimum of 175 words:
One of the amazing things a

Respond to the following in a minimum of 175 words:
One of the amazing things about the brain is how fast neuronal signaling occurs. There are about 100 billion brain cells, and neurons can fire about 200 times per second. Please describe how this process occurs:
Describe the action potential. What are the steps in this process?
What role do neurotransmitters play in relaying signals in the brain?