The brain and spinal cord are your body’s central nervous system. The brain is the command center for your body, and the spinal cord is the pathway for messages sent by the brain to the body and from ...

The PNS consists of the peripheral nerves, neuromuscular junctions, cranial nerves, and spinal nerves. This system also ...

Sensory neurones carry electrical signals - nerve impulses - towards the central nervous system (spinal cord and brain). The signal starts in a receptor which detects a change. Relay neurones ...