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Investigating Pulse Rate Aim: The aim of conducting this experiment is to know the effect of exercise on pulse rate by carrying out few exercises. Introduction When exercising or competing in sports, the body undertakes a number of changes. We breathe in heavier and faster, therefore our heart beats faster and our muscles stretch and therefore we sweat. These are all normal responses towards exercises, whether we work out regularly or only once in a while. To be frank, any type of exercise utilizes the help of the muscles. For example, running, swimming, weightlifting all uses different muscle groups to generate motion. In running and swimming, muscles are working to accelerate the body and keep it moving. In other words, exercise means muscle activity. In strenuous exercises, almost every system of the body either focuses its efforts on helping the muscles do their work effectively or it shuts down. For example, our heart beats faster during...

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