The nervous System
- Created by: Chloewalton99
- Created on: 21-04-17 12:54
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- The nervous system
- The central nervous system (CNS)
- Spinal chord
- An extension of the brain and is responsible for reflex actions
- Brain
- Centre of all conscious awareness
- Outer layer (cerebral cortex) is highly developed and is what distinguishes our higher mental functions from that of animals
- Spinal chord
- The peripheral nervous system (PNS)
- Transmits messages via millions of neurones (nerve cells) to and from the CNS
- The PNS is sub-divided
- Automatic nervous system
- Governs vital functions of the body
- Somatic nervous system
- Controls muscle movement and receives information from sensory receptors
- Automatic nervous system
- A special network of cells, primary internal communication system
- Two main functions
- To collect, process and respond to information in the environment
- To co-ordinate the working of different organs and cells in the body
- The central nervous system (CNS)
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