The nervous system

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The nervous system

A stimulus is a change in your environment which you may need to react to, for example:

  • Eyes - light receptors
  • Ears - sound and 'balance' receptors
  • Nose - smell receptors
  • Tongue - taste receptors
  • Skin - sensitive to touch, pressure and temperature change

Sensory neurones are nerve cells that carry signals as electrical impulses from the receptors in…


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