why does our breathing rate increase when we do any physical activity
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Answer:
When you exercise, your breathing rate increases to compensate for the increased need of oxygen that is required for your body to release energy. When you exhale, you expel carbon dioxide, a waste product of respiration.
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Answer: When we do physical activity, our muscle cells utilize more energy than usual and hence need oxygen to carry out aerobic respiration.
Hence, an increased breathing rate helps supply more oxygen to the cells .
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