As biology arteries veins capillaries

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  • Created by: shimona
  • Created on: 23-10-12 18:55
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  • blood vessels
    • veins
      • thin walls
      • valves-prevent baclflow
      • wide lumen
      • low pressure
      • de oxygenated blood
        • arteries
          • muscle layer thick because blood under high pressure
          • Thick colleges resists high pressure
    • arteries
      • muscle layer thick because blood under high pressure
      • Thick colleges resists high pressure
    • capillaries
      • squamous endothellium
        • reduce friction
      • one cell thick
      • pores for exchange
      • Low pressure
  • venules
    • capillaries
      • squamous endothellium
        • reduce friction
      • one cell thick
      • pores for exchange
      • Low pressure
    • veins
      • thin walls
      • valves-prevent baclflow
      • wide lumen
      • low pressure
      • de oxygenated blood

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