PE GCSE respiratory system

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  • respiratory system
    • oxygen debt
      • amount of oxygen required AFTER anerobic exercise
    • adaptations
      • increase in alveoli
        • system is stronger
      • increase strength in diaphragm
        • take in more air and extract more oxygen
      • increase in lung volume
        • provide more oxygen to muscles
    • total lung capacity
      • total volume of air in your lungs after your biggest breath in
    • tidal volume
      • in normal breathing the tatal amount breathed in and out in one cycle
    • vital capacity
      • maximum you can forcibly breathe in and out
    • % in and out
      • oxygen 21% IN
      • carbon dioxide 0.03 IN
      • oxygen 16% OUT
      • carbon dioxide 4% OUT


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