what nerve controls pain in brain
âPeripheral nerveâ is a term used synonymously to describe the peripheral nervous system. The peripheral nervous system is a network of 43 pairs of motor and sensory nerves that connect the brain and spinal cord (the central nervous system) to the entire human body.These nerves control the functions of sensation, movement and motor coordination.he peripheral nervous system includes the following nerves: 1  Brachial plexus nerve â This nerve is actually a network of nerves that consists of the last 4 cervical nerve roots (vertebrae C5-C8) and the first thoracic (vertebrae T1) nerve root, and ensures motion and feeling in the upper limbs.