Measuring Lung Capacity.docx - Biology 20IB Measuring Lung Capacity Problem What is the ventilation rate during rest mild exercise and vigorous exercise

Measuring Lung Capacity.docx - Biology 20IB Measuring Lung...

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Biology 20IB: Measuring Lung Capacity Problem What is the ventilation rate during rest, mild exercise and vigorous exercise? Background Your lung capacity can be measured by a device called a spirometer. The device measures the amount of air you exhale. Tidal and Vital Lung Capacity in DIfferent Conditions Tidal (L) Vital (L) # of Breaths At Rest 0.6 2.0 21 Mild Exercise 0.8 2.2 23 Vigorous Exercise 1.0 2.3 28 Analysis 1. See last pages for graphs. 2. (2000 / 3360) x 100% = 55.55555556% = 56% 3. My calculated average vital capacity is 56% of the theoretical value for my height. The 44% difference could be caused by many different things such as my lack of exercise or some of the unclean air I breathe in when I am at work. 4. Assuming my residual volume is 1.0L 1.0L + 2.0L = 3.0L Conclusion and Evaluation In this lab, we found our tidal and vital lung capacities through the use of a spirometer in different body conditions, including: at rest, after mild exercise, and after vigorous exercise. After
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