That migration of white blood cells to the area causes the area to inflame and move mucous into the lung, and chemicals into the immediate area, including near the muscles. When that happens, the muscles in the area become red, swollen, and more likely to go into spasm-which constricts the bronchi to trap air in the alveoli, which causes the plastic kazoo sound of trying to force air through the small opening.
Of course, the scariest part of asthma is an attack. While asthma may be mild, an attack-a period of time when it's extremely difficult to breathe-may last for several minutes or even up to a few days. Severe attacks can be fatal, but that doesn't mean you need to live in fear of attacks. In fact, many treatments can help asthma patients enjoy life performing their normal activities.
Find out more about this book:YOU: The Owner's Manual, Updated and Expanded Edition: An Insider's Guide to the Body that Will Make You Healthier and Younger