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Design an investigation to indicate how well you make use of oxygen when exercising - how fit you are.
Member rating: No Rating | Words: | Submitted: Mon Oct 25 2004
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FITNESS TEST Aim: To design an investigation to indicate how well you make use of oxygen when exercising - how fit you are. Equipment: Stopwatch Background Information: When doing vigorous exercise you can't produce enough energy aerobically, because you are unable to produce sufficient oxygen for enough respiration to take place. You have to use anaerobic respiration to produce more energy. One of the waste products of anaerobic respiration is lactic acid. After finishing the exercise you still breathe quickly and your heat keeps pumping quickly so that more oxygen can diffuse into your blood to pay off your oxygen debt and to break down the lactic acid. Once your body has done both of these things your pulse rate will return to normal; your resting pulse rate. Top athletes have a quick recovery rate because they don't produce as much lactic acid. This is because, whilst exercising, they make good use...
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