Nervous System

Nervous System

1. What is the nervous system?

   • The nervous system allows the body to respond to changes in the environment in a process usually coordinated by the brain.

2. 3 Types of Neurones

   • Sensory Neurone
     • Carry signals from receptors to the spinal cord and brain
   • Relay Neurone
     • Carry messages from one part of the CNS to the other
   • Motor Neurone
     • Carry Signals from the CNS to the effectors. [The effector is an organ or cell that acts in response to the stimuli]

3. Receptors are a group of specialized cells that can detect changed in the environment called stimuli.

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