what is emphysema????????????

Asked by kanishkaaggarwal | 25th Nov, 2009, 11:38: AM

Expert Answer:

It is an abnormal condition of the lungs marked by decreased respiratory function; associated with smoking or chronic bronchitis or old age. Here the small air sacs of the lungs become damaged and enlarged, causing an inefficient exchange of gasses and difficulty in breathing.

Answered by  | 28th Nov, 2009, 10:32: AM

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