Overview In this Exploration, you will see how various combinations of lifestyle and age affect vital lung capacity.

Questions 1. Which lifestyle causes the smallest decrease in lung capacity as a person grows older? 2. At age 21, what is the difference in vital lung capacity (%) between the healthiest and the unhealthiest lifestyle? 3. What is the formula for computing a person's vital lung capacity?

How t o Use T h i s E x p l o r a t i o n 1. Read the Introduction and click the Continue button. 2. Identify the Exploration components. 3. Select an age and a lifestyle from the drop-down lists on the left. Click the Play button. 4. Watch how much the lungs expand and relax during one long breath. Note the corresponding vital lung capacity readings (% and cc). 5. Record your observations in the Data chart below.

Data Average 6-foot Man Vital Lung Capacity Age 21 Lifestyle

%

Age 50 cc

%

Smoker, non-runner Non-smoker, runner Non-smoker, non-runner Average capacity = 0%, 4430 cc

cc

Breathe in Breathe out -DE.pdf

Non-smoker, runner. Non-smoker, non-runner. Average capacity = 0%, 4430 cc. Page 1. Breathe in Breathe out -DE.pdf. Breathe in Breathe out -DE.pdf. Open.

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