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Bronchial Asthma
Part 1 of Paper
....lone. It is characterized by wheezing, shortness of breath and coughing. As the symptoms progress, they signal an asthma attack, where the person coughs and gasps for breath, due to the constricted airways, and their bodies become desperate for oxygen. Left untreated, an asthma attack can kill, suffocating its victim.... Part 2 of Paper
....ritants such as pet dander, cigarette smoke, plant pollen and mold spores (and even fecal matter from dust mites and cockroaches), signal a hyperresponsiveness in the airway, in form of special mast cells. (Figure 2& 3) This is Inflammation, the first of three stages of an asthma attack. These mast cells secrete histamine, which swells the airway. This is called the inflammatory response. The inflammatory response signals goblet cells in the airway walls to secrete too much mucus, causing t.... |
| Number of words: 1644 - Approximate pages: 6 |
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