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Investigating the effect of exercise on the pulse rate. Prediction I am going to investigate how exercise affects my pulse rate. I predict that my pulse rate will increase as I do more exercise. The amount of exercise a person does will affect the pulse rate. For example, more exercise means more movement so more energy will be needed. In order to get more energy; respiration needs to take place at a faster rate. More oxygen is used so more carbon dioxide is produced. Carbon dioxide is a waste product and it must be removed, as it is a toxin. Because of the extra carbon being produced, blood is pumped around the body faster in order to transport it. This process will give you a faster pulse rate. You will also get a cramp if lactic acid is produced due to not enough oxygen being taken in. This is...

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