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Effect of exercise on heart rate

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Answer:

Exercise increases heart rate.When you engage in physical activity, your body requires more oxygen and nutrients to supply the working muscles. To meet this increased demand, your heart pumps faster and harder, leading to an elevation in heart rate. The more intense the exercise, the higher the heart rate climbs. Regular exercise strengthens the heart muscle and improves cardiovascular health, making it more efficient at pumping blood even during rest or moderate activities.

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