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To investigate what happens to your pulse rate when you do an increasing amount of exercise.
Member rating: No Rating | Words: | Submitted: Mon Dec 22 2003
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Aim To investigate what happens to your pulse rate when you do an increasing amount of exercise. Prediction In this experiment the input variable is going be the amount of time I exercise for. I think that the result of this is that my pulse rate will increase. The output variable is going to be my pulse rate at the end of the exercise period. I think that the relationship between this and the variables is that the more I exercise the higher my pulse rate will be. This will happen because the body needs more oxygen and glucose. This causes the heart to beat faster so more oxygen, which is carried by haemoglobin in the red blood cells (oxy-haemoglobin with oxygen), and glucose, which is carried by the plasma (the plasma also carries carbon dioxide). The body requires more oxygen and glucose to respire and produce energy. The brain detects this extra...
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