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Emphysema (chronic pulmonary disease) and smoking

Cause: The tar in smoke is deposited in the airways. The ciliated epithelium are paralysed or destroyed
by the tar, and goblet cells are stimulated to produce more
mucus. This results in the build up of dust, bacteria, viruses
and cells and mucus. Pathogens…

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Sputum Examination Analysis of cells in your sputum (phlegm) can help determine the cause of
some lung problems.

Heather Grant 11R November 2008


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