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Activity 8: Respiratory Volumes Essay

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BIOS255 Week 6 Lab: #8 Respiratory Volumes LABORATORY REPORT

Activity 8: Respiratory Volumes
Name:
Instructor:
Date:

PREDICTIONS

1. During exercise: TV will decrease

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

3. Controlled Variables: Sex, age, and height

4. Which respiratory volume was calculated?
Resting and Exercising Volume

5. What was the purpose of the nose clip?
The purpose of the nose clip was to guarantee that only through the mouth that the breath will be able to flow into the lungs.

RESULTS

See Table 2: Average Breathing Rates and Lung Volumes
See Graph: Comparison of Resting and Exercising Lung Volumes and Breathing Rate

1. Did the breathing rate increase, decrease, or not change with exercise?
The breathing rate increased with exercise.

2. Did the tidal volume increase, decrease, or not change with exercise?
The tidal volume increased with exercise.

3. Did the expiratory reserve volume increase, decrease, or not change with exercise?
The expiratory reserve volume decreased with exercise.

4. Did the inspiratory reserve volume increase, decrease, or not change with exercise?
The inspiratory reserve volume decreased with exercise.

5. Did the inspiratory capacity increase, decrease, or not change with exercise?
The inspiratory capacity increased with exercise.

6. Did the functional residual capacity increase, decrease, or not change with exercise?
The functional residual capacity decreased with exercise.

7. Did the minute ventilation increase, decrease, or not change with exercise?
The minute ventilation increased with exercise.

See Table 3: Lung Capacities and Minute Ventilation
See Graph: Comparison of Resting and Exercising Lung...

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