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ATP (What are muscles? (Absolutely everything that you can save off which…

- - - - Even keeping your blood flowing
- - - - Molecule
      - Easy to convert to ATP
      - Not kept in large amounts
      - Used to immediately resupply ATP when your muscle starts to contract
      - Provides the lion's share of the energy during your first few seconds of sprinting
      - Extremely fast but limited amount
    - - Relatively quick supply of ATP
        
        But limited
      - Involves the partial breakdown of sugar is stored in muscle
      - Quick but rather inefficient
        
        Produces lactic acid as a byproduct
        
        Accumulates in the muscles of sprinters
        
        Part of the reason why they eventually slow down during a race
    - - Use of oxygen to burn fuels such as sugars and fats
      - Process
      - Slower than other two processes
      - But given adequate food fuel availability, capacity is almost limitless
      - The lion's share of this ATP production process happens in specialised structures in the cell called mitochondria
        
        These cells are sucking oxygen and fuel to generate high-energy ATP molecules
        
        The key to aerobic metabolism is all about getting oxygen and fuel to the mitochondria in the muscles :star: