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Because your muscles are working more, therefore they need more oxygen to work. Thats why you breath more.

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14y ago

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What percentage of your blood goes to your muscles during strenuous exercise?

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After exercise why do breathing rates not immediately return to normal?

when you excercise your heart goes faster so the blood can pump around the body faster. And after you finish it needs some time so it can go to is normal rate, annd you can do some breathing excercies and why it does this i reallyy dont knoww ?? :] anyway i hope it helpedd a little bit ♥


How does pulse change?

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Why does your heart beat faster and your breathing goes faster when you exercise?

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Will playing sports break fast during Ramadan?

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What prevents the respiratory system from over compensating during exercise?

Because most systems in the body are chemically driven. Like electrolytes. These are the charged particles that must maintain an electrical balance simply by the laws of physics, sodium, potassium, chlorides, HCO3 etc.Then there is the glucose-insulin balance and the pH balance. These cannot overcompensate because once they get near normal levels the impetus to correct the imbalance is gone. Like when you run or exercise your muscles build up acids which your body compensates for by breathing deeper and faster. But once the pH gets back to near 7.40 breathing slows down and everything goes back to normal. There are instances where the body can overcompensate as in an acute asthma attack where the person is already breathing fast and as deep as they can but even when the airways are opened again the fear and anxiety of that breathlessness drives the respiratory rate higher and therefore overcompensates.