Which portion of the central nervous system serves as the link between the brain and the peripheral nervous system? ?

Spinal cord is the part of the central nervous system that functions as the link between the peripheral nervous system and the brain.

The prime function of the spinal cord is to connect a huge segment of the peripheral nervous system with the brain. It also sends the data achieved by the spinal cord via physical neurons to the brain. It also conducts neural signal between the body and the brain.

it is called the spinal cord