The Nervous System (B1)

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  • Created by: caits
  • Created on: 28-02-14 19:42

Sense Sense Organ Stimulus

Taste Tongue/taste buds Chemicals in food

Hear Ears Sound waves

Smell Nose Chemicals in air

Touch  Skin  Pressure/heat

Sight Eyes Light

Central Nervous System (CNS) - Brain and spinal cord

Peripheral Nervous System (PNS) - Body nerves

(http://www.bbc.co.uk/schools/gcsebitesize/science/images/29_neurones.gif)

  • The Axon transmits electrical pulses
  • The fatty sheat stops it from losing any electrical impulses
  • Dendrites connect…

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