Answer:
The nervous system of the human body is categorized into two systems: the peripheral nervous system and the central nervous system.
The central nervous system includes the neurons or nerves of the spinal cord and the brain which controls the central role in receiving, analyzing and interpreting the stimulus.
The PNS or peripheral nervous system is composed of the nerves which arise outside the central nervous system. The nerves of the peripheral system connect the nerves of the body to the central nervous system. They send the stimulus to the brain and response of the central nervous system to the organs.