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WHAT AFFECTS THE PULSE RATE? Investigation on exercise affecting the human pulse This experiment will focus on how exercise affects the pulse rate of a human. The investigation will not only find out if it does affect it but how much by and does it affect every one in the same way. The pulse rate is the amount of time the heart beats in a minute, specifically the blood from the left ventricle being pumped around the circulating blood stream. My prediction on this investigation is that the pulse rate shall rise due the aerobic respiration that increases due to the need of more oxygen around the body. As more oxygen will be needed the pulse rate will need to increase, so that more oxygen can be carried around the body. Aim: To investigate how much exercise affects the human pulse rate, using different amounts of exercise. Hypothesis: My hypothesis is that the more exercise...

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