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Investigate how different amount of exercise affects the heart rate.
Member rating: No Rating | Words: | Submitted: Mon Jul 19 2004
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AIM: To investigate how different amount of exercise affects the heart rate. INTRODUCTION From my previous knowledge I know that as soon as we begin to do the exercise, the rate of respiration in our muscles increase and more carbon dioxide is released into the blood. Therefore we start to breathe faster, when the level of carbon dioxide in the blood raises and as we breathe faster, our heart rate will increase automatically. If you do more exercises, more oxygen is needed to pump the blood through our body, so the heart has to pump very rapidly. And if we do exercises continuously for a long time, our muscles have to work hard with the little amount of oxygen therefore we start to respire anaerobic ally. For example while doing the exercise, under these conditions we cannot breathe faster enough, or pump our blood fast enough, to get sufficient oxygen to our...
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