why does one breathes faster while performing and after the exercise?
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When you exercise and your muscles work harder, your body uses more oxygen and produces more carbon dioxide. To cope with this extra demand, your breathing has to increase from about 15 times a minute (12 litres of air) when you are resting, up to about 40–60 times a minute (100 litres of air) during exercise.
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To gain more oxygen and put up more energy for workout
Explanation:
Breathing becomes faster during exercise because more oxygen is inhaled and supplied to the cells. This increases the rate of breakdown of food and gives more energy that is needed for exercise.
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