Nervous System The two major subdivisions of the nervous system are the central nervous system and the peripheral nervous system. The CNS consists of the brain and the spinal cord, it's responsible for integrating, processing, and coordinating sensory data and motor commands. The CNS integrates balance and limb position and coordinates your recovery by commanding the appropriate skeletal muscles. The CNS is also the seat of higher learning, performing functions as intelligence, memory, learning, and emotion. The PNS includes all the neural tissue outside the CNS. The PNS carries motor com