Gradual break down of the thin walls of the alveoli decreasing the total surface area of the gaseous exchange is ……….. (a) bronchitis (b) emphysema (c) asthma (d) tuberculosis

Gradual break down of the thin walls of the alveoli decreasing the tot

1.	Gradual break down of the thin walls of the alveoli decreasing the total surface area of the gaseous exchange is ……….. (a) bronchitis (b) emphysema (c) asthma (d) tuberculosis
Answer» (b) emphysema

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Gradual break down of the thin walls of the alveoli decreasing the total surface area of the gaseous exchange is ……….. (a) bronchitis (b) emphysema (c) asthma (d) tuberculosis

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