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Bronchial Asthma

Bronchial Asthma is a very serious but treatable disease that affects over 14 million people in the United States alone. 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 ....

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.... 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 the wheezing and coughing. This is the second step of the attack, the Constriction. Without the correct amount of oxygen, the bronchioles in the lungs cannot ship it to their alveoli, which are tiny sacs in the bronchioles of the lungs, that diffuse oxygen to the blood. (Figure 4) The carbon dioxide levels increase in the blood, as ....

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