Anaerobic respiration and fatigue
- Created by: Clare Parry
- Created on: 08-05-15 17:42
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- ANAEROBIC
- anaerobic respiration= incomplete breakdown of glucose to release energy
- much less energy released per molecule of glucose than aerobic respiration
- doesn't use oxygen
- can supply energy to muscles where there is not enough oxygen for aerobic respiration
- in muscle cells, produces lactic acid
- blood flowing through muscles then removes the lactic acid
- creates oxygen debt: the amount of oxygen required to oxidise lactic acid to carbon dioxide and water after exercise
- FATIGUE
- After long periods of physical activity, muscles stop contracting well
- Caused by build up of lactic acid in muscles
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