Respiratory Lab 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: Predictions 1. During exercise: TV will increase. 2. During exercise: IRV will increase. 3. During exercise: ERV will not change. 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. height; age; sex Results Table 2: Average Breathing Rates and Lung Volumes Breathing Rate 12.2 10.8 10.4 11.1 TV(L) 0.5 0.5 0.5 0.5 Resting Values ERV(L) IRV(L) 1.4 1.3 1.4 1.4 2.3 2.2 2.3 2.3 RV(L) 26.6 29.5 26.1 27.4 Breathing Rate 1.7 1.7 1.8 1.7 TV(L) 0.6 0.7 0.7 0.7 Exercising Values ERV(L) IRV(L) 1.9 1.7 2 1.9 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. Does exercise increase, decrease, or does not change breathing rate? Exercise increases the breathing rate. 2. Does exercise increase, decrease, or does not change TV? Exercise increases TV. 3. Does exercise increase, decrease, or does not change ERV? Exercise decreases ERV. 4. Does exercise increase, decrease, or does not change IRV? Exercise decreases IRV. Table 3: Lung Capacities and Minute Ventilation Breathing Rate 2.8 2.7 2.8 2.8 TV(L) 3 2.9 3 3 Resting Values ERV(L) IRV(L) 4.2 4 4.2 4.1 5.8 5.6 5.8 5.7 RV(L) 3.6 3.4 3.8 3.6 Breathing Rate 2.2 2.3 2.3 2.3 TV(L) 4.2 4.1 4.5 4.3 Exercising Values ERV(L) IRV(L) 5.8 5.7 6.1 5.9 6.1 5.4 5.2 5.6 RV(L) 45.2 50.2 47 47.5 Subject1 Subject2 Subject3 Averages Comparison of Resting and Exercising Lung Capacities and Minute Ventilation 5. Does exercise increase, decrease, or does not change IC? Exercise increases IC. 6. Does exercise

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