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The respiratory system is responsible for the exchange of gases, primarily oxygen and carbon dioxide, between the body and the environment. Disruptions in this system can lead to various disorders, affecting normal breathing and overall health. One common disorder is asthma, a chronic inflammatory condition of the airways. In asthma, the bronchial tubes become inflamed and narrowed due to triggers such _____ _________ ____ _______ _________ _______ _______ ________ _______ _____ _____.
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