Respiratory Volumes Essay

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LABORATORY REPORT (Click on the Save a Copy button on the panel above to save your report) Activity: Name: Instructor: Date: Respiratory Volumes Arvind Budhram Maryam Bamshad April 24, 2012 Predictions 1. During exercise: TV will decrease. 2. During exercise: IRV will increase. 3. During exercise: ERV will increase. 4. During exercise: VC will increase. 5. During exercise: TLC will increase. Materials and Methods 1. Dependent Variable. respiratory volumes 2. Independent Variable. level of physical activity [resting or exercising] 3. Controlled Variables. sex; height; age 4. Which respiratory volume was calculated? respiratory min volume 5. What was the purpose of the nose clip? so that the subject does not engage in breathing. Results Table 2: Average Breathing Rates and Lung Volumes Breathing Rate 12.8 10.3 10.9 11.3 TV(L) 0.6 0.5 0.4 0.5 Resting Values ERV(L) IRV(L) 1.4 1.4 1.5 1.4 2 2.4 2 2.1 RV(L) 28.8 27.9 26 27.6 Breathing Rate 1.6 1.7 1.6 1.6 TV(L) 0.6 0.6 0.7 0.6 Exercising Values ERV(L) IRV(L) 1.8 1.9 1.7 1.8 1.6 1.6 1.6 1.6 RV(L) 1.6 1.6 1.6 1.6 Subject1 Subject2 Subject3 Averages Comparison of Resting and Exercising Lung Volumes and Breathing Rate 1. Did the breathing rate increase, decrease, or not change with exercise? increase with exercise 2. Did the tidal volume increase, decrease, or not change with exercise? increace with exercise 3. Did the expiratory reserve volume increase, decrease, or not change with exercise? decreased with exercise 4. Did the inspiratory reserve volume increase, decrease, or not change with exercise? decrease with exercise 5. Did the inspiratory capacity increase, decrease, or not change with exercise? increase with exercise 6. Did the functional residual capacity increase, decrease, or not change with exercise? decrease with exercise 7. Did the minute ventilation increase, decrease, or not change

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