Key Stage 4
Meaning
The central nervous system consists of the brain and the spinal cord and is the part of the nervous system that coordinates the body.
About the Central Nervous System
- The central nervous system is also referred to as the CNS.
- The CNS has relay neurons which pass an impulse from the sensory neurons to the motor neurons.
- Impulses are sent via the nerves to the CNS where they are processed and a impulse is then sent back down the nerves to an effectors such as a muscle or gland.