Myelin insulates the nerve and helps the messages get through. Each nerve has a protective outer layer called myelin. Your brain uses your nerves to send messages to the rest of your body. The main parts of the nervous system are:Д¬entral nervous system (CNS): Your brain and spinal cord make up your CNS. These special cells send and receive electrical signals through your body to tell it what to do. Each part contains billions of cells called neurons, or nerve cells. What are the parts of the nervous system?

ItвЂ™s almost like an enormous information highway running throughout your body. Then the nerves interpret the information and control your response. These nerves receive information from the world around you. It regulates your bodyвЂ™s systems and allows you to experience your environment.ДЄ vast network of nerves sends electrical signals to and from other cells, glands, and muscles all over your body. This complex system is the command center for your body. Digestion, as well as how hungry and thirsty you feel.Senses, including how your brain interprets what you see, hear, taste, touch and feel.Movements, such as balance and coordination.Thoughts, memory, learning, and feelings.Your nervous system affects every aspect of your health, including your: It also plays an essential role in the things your body does without thinking, such as breathing, blushing and blinking. It controls complicated processes like movement, thought and memory. Your nervous system guides almost everything you do, think, say or feel.

Definition of somatic nervous system