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How does exercise affect the body?
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| Submitted: Thu Aug 14 2003
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How does exercise affect the body? My aim is to find out how exercise affects the body? Background knowledge. * Breathing. * Respiration. * Circulatory system. * Homeostasis. Here are the subtitles above in more detail: Breathing. The respiratory centre controls breathing, this is located at the rear of the human brain. To be more precise in the medulla. On average a human being will breathe about 12 breathes per minute inhaling on average 0.5dm3 per breath this means that they take in around 6dm3 of air per minute. The breathing rate of every one is always changing to suit their needs. If the body s inactive the rate of breathing will be low and if active i.e. in a game of football then the breathing rate will increase. The rate increases because on the increase in production of carbon dioxide. The amounts of carbon dioxide in the blood are detected by the chemoreceptors in the brain. So in theory the...
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