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Muscle Fatigue
How muscles get the energy they need to work

Respiration is the process of releasing energy form the breakdown of glucose. It takes place
in every living cell and this produces energy they require.

During exercise, the muscle cells respire more than at rest. This is because the…

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C6H12O6 + 6O2 6CO2 + 6H2O + energy



The processes that allow a muscle to recover after exercise

After exercising and using anaerobic respiration muscles will have oxygen debt. Oxygen is
needed in the muscles to break down lactic acid molecules. This will need to happen for
aerobic respiration to…

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