The central nervous system is made of two components the spinal cord and the brain. Both the central and peripheral systems are very different from each other. While the central nervous system deals the inside the peripheral systems extends on the outside of the central nervous system. The PNS can be controlled voluntary but not the CNS. In the CNS the skulls protects the brain as for the PNS it is not protected by any bone. Another way they are differ from each other is that the PNS integrate important information while the CNS processes all the gathered information. But these two system are also alike in many ways as well. Both systems help regulate and process signals throughout the body. They are also composed of cells called neurons and
