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The more O2 that they can take in, transport and use, the higher intensity they can work at and the fitter they will be. This maximal oxygen uptake is called VO2max and is generally accepted to be the best guide to assessing someones fitness levels, and can be directly measured using various aerobic tests.
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www.dietsdontwork.co.uk/news/index.php/2009/07/27/oxyge...
www.dietsdontwork.co.uk/news/index.php/2009/07/27/oxygen-uptake-how-much-can-we-take-in-and-use/
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I suspect lower partial pressure of oxygen is possible. The Bolivian altiplano is a high plateau at 12,000 to 14,000 feet. LaPaz, a city of 1.25 million people, is at 12,000. According to Stephen Dole, Habitable Planets for Man, p. 15, the ...
http://www.newmars.com/forums/viewtopic.php?t=5480
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Many types of insects appear to control how much oxygen they take in. ... Without oxygen, we'd be in big trouble. The gas, which makes up 21 percent of Earth's atmosphere, keeps alive the cells that make up our bodies. But there's such a thing as too much oxygen. Extra oxygen can damage tissues.
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www.sciencenewsforkids.org/articles/20050209/Note3.asp
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(1) How much Oxygen does an average person need in a day to live? ... (2) How long would it take to use up all the O2 in 1 cubic metre (1 m3 of space at sea level) -- this is not realistic, but what the heck -- see a more realistic situation in part (3) below...
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members.shaw.ca/tfrisen/how_much_oxygen_for_a_person.ht...
members.shaw.ca/tfrisen/how_much_oxygen_for_a_person.htm
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High oxygen levels in a laboratory may halt cell growth, and even change a cells physical characteristics, he said. There is a clear risk of seeing cellular responses that normally dont happen inside the body. Regulating oxygen levels for cell cultures should take us a step closer to what goes on in real life.
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www.osu.edu/researchnews/archive/toxico2.htm
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DISSOLVED OXYGEN CHART SEAWATER @ SEA LEVEL ... However, given the severity and rapid sequence of stressors (angling fatigue and injury, high temperature, live well crowding, transport, etc.) I don't see any measures that you could take, short of actually eliminating some of the stressors, that will make much difference.
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www.oxyedge-chum.com/how_much_oxygen.htm
www.oxyedge-chum.com/how_much_oxygen.htm
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Experiment using the DrDAQ to measure Oxygen In Air ... If any of these elements are reduced or removed then a flame will be extinguished. This experiment uses the DrDAQ's Oxygen In Air sensor to monitor the oxygen level required to keep a flame burning. ... Configure PicoLog to take a sample every 250 milli seconds for 200 samples...
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www.picotech.com/experiments/burning_oxygen/index.html
www.picotech.com/experiments/burning_oxygen/index.html
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A person who is exercising obviously uses a lot more oxygen than that. You could determine how much air is moving through your lungs by exhaling into a plastic bag of known volume at each breath and seeing how long it takes to fill the bag.
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www.howstuffworks.com/question98.htm
www.howstuffworks.com/question98.htm
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Purpose: To demonstrate the approximate concentration of oxygen in the atmosphere ... It will take about 2 - 4 days, so the best day to do this activity would be on Monday.
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www.thesolutionsite.com/lesson/4352/howmuchoxygen.htm
www.thesolutionsite.com/lesson/4352/howmuchoxygen.htm
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