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How Much of an Affect Does Exercise Have On Our Pulse Rate?

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Biology investigation: How much of an affect does exercise have on our Pulse rate? Aim: To find out if exercise affects pulse rate. Prediction: I think that as I increase the amount of exercise, my pulse rate will also increase, until my heart reaches its optimum amount of beats and cannot increase anymore. My pulse rate will still remain high but it will level out. Explanation of prediction: As the amount of exercise I do increases, my muscles will require more energy, therefore my body will have to respire at a faster rate than normal to keep up the demand. Respiration is oxidation of glucose and oxygen to release energy. ...read more.


The increase in heart rate enables the carbon dioxide to be transported by your blood to the lungs where it is breathed out. The water which is created during the process is sent to the perspirary glands where it is excreted in the for of perspire or sweat. Fair testing: For this experiment to be fair we need to: * Use the same person for all of the exercises. * Do all the exercises on the same day so that the temperature of the room is exactly the same, and the person's diet is the same. * Use the same type of exercise e.g. ...read more.


2.) I will then do step-ups on a PE bench for 1 minute, then immediately after, take my pulse rate. (BPM) 3.) I will then rest until my pulse rate has recovered. I will then repeat step 1 to find my average 'pulse rate at rest'. 4.) I will then repeat step 2, but this time I will exercise for 2 min. 5.) I will repeat this procedure of exercising, recording my pulse rate, then resting. I will exercise for periods of time of: 1 min, 2 min, 3 min, 4 min, 5 min and 6 min, recording my pulse rate before and after exercise. I will use a stop clock for accurate timing, and I will wear training shoes to prevent accidents while exercising. ...read more.

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