Arteries, veins and capillaries

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  • Created by: Alex
  • Created on: 18-12-12 10:44
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  • Heart
    • Arteries
      • Structure
        • Small lumen
        • Smooth muscle
        • Elastic fibres
        • Strong to withdraw large heart beats
      • Role
        • Carries blood from the heart
          • Aorta
            • Carries blood to body parts
            • Oxygenated
          • Pulmonary artery
            • Carries blood to the the lungs
            • Deoxynated
    • Veins
      • Structure
        • Large lumen
        • Endothelium
        • Valves to stop back flow.
        • Smooth muscle
      • Role
        • Carries blood away from the heart
          • Vena Cava
            • deoxygenate-d
          • valves are used in the vein
            • goes against gravity
    • Capilaries
      • Structure
        • extremely small
        • One cell thick
          • allows substances to diffuse over the wall.
      • Role
        • Delivers blood direct to body parts.
          • diffuses through the one cell thick wall into tissues, cells and alveoli.

Comments

Flying_L3mon38

This has been very helpful to me. Good explanation. (^o^)

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