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Home Q & A Board Science-Related Homework Help Psychology
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killian killian
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9 years ago
A respiratory disorder in which the main tubes of the windpipe constrict, become inflamed,   
      and produce large amounts of mucus, is ______.   
      a.   emphysema                     c.   pneumonia   
      b.   colitis                        d.   asthma
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Smiling Face with Open Mouth
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f_zah1f_zah1
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9 years ago
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