Types of nerves

Nerves are like small wires found in the body.The nerves cells are also called neurons.
Most of the nerves are associated to the middle nervous system through the spinal cord.

There are two types of nerves:
1.Afferent nerves
2.Efferent nerves

Afferent nerves and efferent nerves have different functions.Afferent nerves take messages from to the brain from the body.Efferent nerves take messages from the brain to the body.
There are billions of nerves cell in human body.