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Transport Systems (Diffusion (The movement of particles from an area of…

- - - - Allows for oxygen and glucose to diffuse into tissue
      - Oxyginated/deoxygenated
      - Structure
        
        One cell thick walls
        
        Lumen so thin blood travels in single file
    - - Carry blood away from heart
      - Oxygenated
      - Structure
        
        Thick outer wall
        
        Thick layers of muscles and elastic fibres
        
        small lumen
    - - Carries blood to the heart
      - deoxygenated
      - Structure
        
        Thin walls
        
        Thin layers of muscle and elastic fibres
        
        Wide lumen
        
        Valves
  - - - Carries C02 and the components of the blood
    - - Carries gases
    - - Kills pathogens
    - - Stops holes
      - Creates scabs
- - - - FRom the right atrium the blood flows past the tricuspid valve to the right ventricle
        
        Blood flows through the pulmonary artery, through the semi lunar valve to the liungs
        
        Blood flows back to the left atrium through the pulmonary vein
        
        Blood flows past the bicuspid valve to the left ventricle
        
        Blood flows from the left ventricle to the aorta, through the semi lunar valves and around the body