Cellular Respiration Experiment
Exercise Intensity on Cellular Respiration measured through Heart Rate and CO2 Production
Background Research
Cellular Respiration: C6H12O6 + 6O2 >>> 6H2O + 6CO2 + 36 ATP When examining the effects of exercise on cellular respiration, we can assess three main bodily functions: carbon dioxide production, heart rate and breathing rate, all telling us of an increase in cellular respiration. We can only directly measure the CO2 output that is a direct result of cellular respiration, we can use all of these fields of measurement to show that exercise uses more or less energy than rest, answering the question. Cellular respiration takes one glucose or sugar (C6H12O6), and six oxygen (6O2) to produce 36 ATP, essentially units of energy and release
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Hypothesis
If a person exercising is working harder, by performing an exercise like running or sprinting, their heart rate and CO2 production will be higher, measured by higher BPM and lower time taken to turn the BTB yellow, than a person who is sitting or walking, because muscles need more energy to perform the more strenuous tasks, and the higher heart rate and CO2 production will indicate a higher cellular respiration rate.
Experimental Design
IV: Exercise. Sitting, walking, running, and sprinting up the stairs will be an increasing amount of work for the person’s body, showing a trend toward harder work
DV: CO2 measured by BTB, HR measured in BPM, both will show increase in intensity and cellular respiration.
Control: Sitting person will provide a baseline against exercise
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