AEROBIC energy system

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  • AEROBIC energy system
    • energy is converted from the breakdown of food products in the mitochondria of the muscle
    • GLYCOGEN
      • GLUCOSE
        • PYRUVIC ACID
          • ACETYL-COA
      • full breakdown by phosphofructokinase
        • GLUCOSE
          • PYRUVIC ACID
            • ACETYL-COA
    • AEROBIC GLYCOLYSIS
      • 2 ATP produced
      • GLYCOGEN
        • full breakdown by phosphofructokinase
      • Acetyl-CoA moves into mitochondria
        • KREB's Cycle
          • consists of 8 enzyme driven reactions
            • oxidise acetyl CoA to carbon dioxide
          • hydrogen atoms within acetyl CoA are transferred to hydrogen carriers
            • NAD and FAD
          • 2 ATP
      • KREB's Cycle
        • consists of 8 enzyme driven reactions
          • oxidise acetyl CoA to carbon dioxide
        • hydrogen atoms within acetyl CoA are transferred to hydrogen carriers
          • NAD and FAD
        • 2 ATP
      • ELECTRON TRANSPORT CHAIN
        • series of chemical reactions takes place
          • hydrogen is oxidised to form water
            • large amounts of ATP are generated
              • 34 ATP
        • hydrogen is oxidised to form water
          • large amounts of ATP are generated
            • 34 ATP
      • Advantages
        • large amount of ATP resynthesised
        • activity can last hours
        • no harmful by-products
      • Disadvantages
        • cannot resynthesise ATP instantly
        • cannot provide ATP at high intensity work levels

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