This page outlines basic concepts related to the nervous sytem.
Separate pages describe the brain and spinal cord , and control of skeletal muscle .
The nervous receives information about conditions both within and around the body. It processes and integrates this information on a variety of levels, and directs the body to respond appropriately. Sensory information is transmitted to the central nervous system , which includes the brain and spinal cord. The CNS is responsible for integrating the sensory information and directing any necessary response. Efferent neurons which direct contraction and secretion in the internal organs fall within the autonomic division .