B3 - Anaerobic Respiration

All the information you need to know about anaerobic respiration.

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Anaerobic Respiration

  • only happens when your body can't supply enough oxygen to your muscles
  • happens when exercising
  • anaerobic translates to "without oxygen"
  • releases much less energy per glucose molecule than aerobic respiration
  • not efficient
  • advantage: muscles can keep on working
  • disadvantage: muscle builds lactic acid, which is painful
  • word equation: glucose ---> lactic acid (+ energy)
  • once you start respiring aerobically again, you breathe hard to repay your muscle with oxygen
  • lactic acid is taken to liver to be broken down
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