aerobic respiration: glucose + oxygen → carbon dioxide + water (+energy in the form of ATP) C₆H₁₂O⁶ + 6O₂ → 6CO₂ + 6H₂O (+ energy in the form of ATP)
- the rate of respiration can be found by measuring:
- the increased oxygen consumption
- the increased carbon dioxide production
- Respiratory Quotent (RQ)
- = CO₂ produced
- O₂ used
- anaerobic respiration: glucose → lactic acid (+ little energy, small amount of ATP)
- lactic acid is carried to liver where oxygen is used to break it down
- ATP: substance that is used as the energy source for many processes in cells
- Oxygen debt: amount of oxygen needed to oxidise lactic acid to CO₂ and H₂O
- metabolic rate: the rate at which energy is used in the body
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