The end result is the simplest form of etching. There are more complicated ways to create more intricate etchings by using a number of different plates and colors. There is also a process to add different tones to the image that involves adding resin dust to the plate and heating it.
Nerves carry electrochemical signals to and from different areas of the nervous system as well as between the nervous system and other tissues and organs. Nerves are divided into four classes: Cranial nerves connect your sense organs (eyes, ears, nose, mouth) to your brain.
The third type of nerve is a motor nerve. Motor Nerves: There are many motor nerves throughout the body. The brain communicates with the body and tells muscles to move via these nerves. These motor nerves control moving your hands, arms, legs and feet or talking.