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Take a deep breath, and then exhale. In that short time, millions of air sacs (called alveoli) in your lungs absorbed oxygen from the air you inhaled and released carbon dioxide, which you then exhaled.
A Respiratory Disease
Jenny Wender has asthma, a disease that clogs her lungs and makes it hard to breathe. When she has an asthma attack, she makes a whistling sound -- called a wheeze--when she breathes. She also coughs very hard. Jenny is allergic to cats and is sensitive to dust. When a cat is nearby, the tissues in Jenny's airway swell, and she can't get enough air. Smoking or being around someone who smokes is very bad for a person who has asthma. Besides avoiding these things that bring on an attack, Jenny has to take medicine.
Sometimes Jenny can't inn far in gym, and other students have teased her. One time when she coughed so hard in class that she couldn't breathe, a few kids laughed at her. "I think that's because they were scared," says Jenny. "But I told them asthma isn't catching, and now they're pretty nice to me."
RELATED ARTICLE: CHECK IT OUT!
The following Olympic athletes have asthma, but they have learned how to control it enough to participate in sports. Find out how one of them or Someone else you know balances having asthma and being athletic.
* Greg Louganis, Olympic diver
Source: HighBeam Research, Breathe In ... Breathe Out.(Brief Article)