a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.
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Fatigue
Hard exercise can cause fatigue. This is because lactic acid from anaerobic respiration builds up in the muscles.
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Metabolic rate
Themetabolic rate is the rate at which energy is used by the body. Since aerobic respiration needs oxygen, the rate of oxygen consumption can be used as an estimate of metabolic rate.
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Exercise
During exercise, the muscle cells respire more than they do at rest. This means: Oxygen and glucose must be delivered to them more quickly Waste carbon dioxide must be removed more quickly
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Anaerobic respiration
During hard exercise, anaerobic respiration takes place as well as aerobic respiration. Anaerobic respiration does not need oxygen for it to happen: Glucose → lactic acid
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Card 2
Front
Fatigue
Back
Hard exercise can cause fatigue. This is because lactic acid from anaerobic respiration builds up in the muscles.
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