Why does breathing become faster during heavy exercise?
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5
Explanation:
During exercise, your lungs and respiratory system must provide more oxygen to the blood. You will breathe harder and faster because: Respiratory muscles are stimulated by sympathetic nerves in order to increase the rate of breathing. ... Ventilation is increased and more oxygen enters the blood.
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13
Answer:
during heavy exercise, there will be low availability of oxygen so anaerobic respiration occurs and fats and lactic acid is used.During strenous exercise RBC cells needs large amounts of oxygen ,so our breathing rate becomes faster.
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