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Emphysema

Emphysema or COPD, chronic obstruction pulmonary disease, is the destruction of the alveoli in the lungs where the gas transfer takes place. The bronchioles distribute the air throughout the lung to the individual alveoli. Once damaged, the bronchioles tend to collapse, trapping stale air in the isolated sacs and no longer transmitting fresh air. As the alveoli are destroyed, more and more air is required to provide a sufficient amount of oxygen. This need for more air eventually leads to lung overinflation. The lungs gradually enlarge, completely filling the chest cavity an



Some common words found in the essay are:
Emphysema COPD, related smoking, elastic fibers,
Approximate Word count = 394
Approximate Pages = 2 (250 words per page double spaced)

  

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