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Lung Capacity. Respiratory System Lung Capacity What is lung capacity? – Tidal Volume: the amount of air that is taken in or expelled during normal breathing.

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Presentation on theme: "Lung Capacity. Respiratory System Lung Capacity What is lung capacity? – Tidal Volume: the amount of air that is taken in or expelled during normal breathing."— Presentation transcript:

1 Lung Capacity

2 Respiratory System

3 Lung Capacity What is lung capacity? – Tidal Volume: the amount of air that is taken in or expelled during normal breathing – Vital Capacity: the largest amount of air that can be exhaled after taking a deep breath How can lung capacity be measured? What are factors that increase lung capacity?

4 Spirometer

5 Balloon method

6 Balloon diameter v. Lung volume

7 Bubbles!

8 Calculating Volume

9 Possible Questions What is the difference when using balloons versus bubbles to measure lung capacity? Is there a difference in a person’s lung capacity before and after exercise? What is the difference between a person’s vital capacity and tidal volume? Is there a relationship between the height of a person on their lung capacity?

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