Activity 8: Respiratory Volumes
Name: Amy Wargo
Instructor: Shahi
Date: 10/12/14
PREDICTIONS
1. During exercise: TV will increase.
2. During exercise: IRV will decrease
3. During exercise: ERV will decrease
4. During exercise: VC will increase
5. During exercise: TLC will not change
MATERIALS AND METHODS
1. Dependent Variable: respiratory volumes
2. Independent Variable: level of physical activity [resting or exercising]
3. Controlled Variables: age size height
4. Which respiratory volume was calculated? undefined
5. What was the purpose of the nose clip? To make sure she was only breathing out of her
mouth and that her nose wanted getting any air in it.
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? increase
2. Did the tidal volume increase, decrease, or not change with exercise? increase
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