Microbes in Human WelfareHard
Question
Which of the following match is correct ?
Options
A.Emphysema: Reduction of surface area of alveoli and bronchi.
B.Pneumonia:Occupational disease with asbestos
C.Slicosis: Inflammation of alveoli
D.Asthama: exaessive secretion of beonchial muchs
Solution
Cigarette smoking leads to the disease emphysema. In this disease, terminal bronchi oles get obstructed. This redues the ventilation of the alveli coalesce together to from large chambers due to destruction of their walls. This change of smaller aveoli to larg chambers reduces the reduces the area of alveolar surface across which gases are exchanged. All these changes reduce both oxygen uptake and carbon dioxide elimination.
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