Monday, 30 January 2012

2.83 Central Nervous System

recall that the central nervous system consists of the brain and spinal cord and is linked to sense organs by nerves

1. Central nervous system controls and coordinates actions
- voluntary and involuntary actions

2. Consisted of brain and spinal cord
- brain is protected inside the skull
- spinal cord is protected inside the backbone

3. CNS connected to different parts of the body by nerves
- nerves made out of nerve cells and neurones

4. Receptors: sense organs
- response sent along sensory neurones

Source: http://www.empowher.com/files/ebsco/images/si2012.jpg

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