why does our heat beat fast aftr a tremendous xercise?

Asked by isha007 | 2nd Dec, 2009, 06:21: PM

Expert Answer:

This is because when we carry out any strenous activity we need more energy. With exercise or physical activity, the heart rate increases to supply the muscles with more oxygen to produce extra energy. The heart beats faster to move more blood per pump.

Answered by  | 2nd Dec, 2009, 07:08: PM

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