Why does exercise cause an increase in Heart rate and breathing rate????
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During exercise there is an increase in physical activity and muscle cells respire more than they do when the body is at rest. The heart rate increases during exercise. The rate and depth of breathing increases - this makes sure that more oxygen is absorbed into the blood, and more carbon dioxide is removed from it
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exercise is a very power full work and the heart rate is also increase in the process of breathing rate because boy is wormed in this situation??
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