Unit 2 6 mark question Jan11

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  • Created by: Jenny
  • Created on: 02-06-13 09:38
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  • Explain how the structures of the walls of arteries & arterioles are related to their  functions
    • Elastic tissue
      • Stretches under pressure
      • Recoils
      • Evens out flow
    • Epithelium
      • Epithelium is smooth
      • Reduces friction and blood clots
    • Muscle
      • Muscle contracts
      • Reduces the diameter of lumen
      • Changes  flow

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