How is respiration different from breathing?
Breathing is the physical process of inhaling oxygen and exhaling carbon dioxide, while respiration is the biochemical process of breaking down glucose to release energy.
Why do we experience muscle cramps after vigorous exercise?
Muscle cramps are caused by the accumulation of lactic acid during anaerobic respiration in the muscles. When oxygen supply is insufficient, muscles switch to anaerobic respiration, leading to the production of lactic acid, which causes cramps.
What is the difference between aerobic and anaerobic respiration?
Aerobic respiration occurs in the presence of oxygen and produces more energy, while anaerobic respiration occurs without oxygen and produces less energy. Aerobic respiration results in carbon dioxide and water, while anaerobic respiration in muscles results in lactic acid, and in yeast, it produces ethanol and carbon dioxide.
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