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Experiment to measure vital capacity of lungs.
Member rating: No Rating | Words: | Submitted: Fri Mar 12 2004
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Madhav Manek 4V 11th September 2003 Experiment to measure vital capacity of lungs Aim: To evaluate three techniques for measuring vital capacity. Hypothesis: People, who are taller, play a lot of sport and/or play a musical instrument, which involves using your mouth, have larger lungs. Apparatus: -Flow Spirometer -Mouthpiece -5 litre water bottle -Rubber tube -Beaker of Sterilizer -Spirometer -Milton Solution Method: 1. For the flow spirometer is used to measure exhalation of air. You must reset the dial to zero and use a fresh mouthpiece before each use. After you have used it then put it into the Milton solution. 2. The second method is the displacement of water. You fill a 5 litre bottle with water. Hold it above a trough of water. Breathe out into it through a rubber tube as fully as you can, letting all the air out. Measure the volume. Rinse the mouthpiece in the Milton solution ready for the next person. 3. The third and final...
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