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  • Created by: Jing :)
  • Created on: 02-01-13 17:19
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  • Tissues
    • Ciliated cells
      • sweeps mucus to the back of the throat
      • Found:  Trachea, Bronchi, Bronchioles
    • Squamous epithelial
      • Forms the walls of the alveoli- the thinness of the wall provides faster diffusion rate
      • Found:  alveoli, trachea, bronchi, bronchioles
    • Cartilage
      • C- shaped   rings to prevent collapse and keeps the airways open
      • Found:  Trachea
      • Flexible than  bone yet strong
    • Smooth muscles
      • involuntary muscles that contract to narrow the airways
    • Elastic Fibre
      • able to  stretch and go back to its original shape
      • Found:  Alveoli walls
    • Goblet cells
      • secretes mucus
        • sweeps mucus to the back of the throat


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