A) \[1\,{{m}^{2}}\]
B) \[10\,\,{{m}^{2}}\]
C) \[100\,\,{{m}^{2}}\]
D) \[1000\,\,{{m}^{2}}\]
Correct Answer: C
Solution :
Bronchiole is one of the smaller air passages in the lung of mammals. A branching system of bronchiole carries air from the branches to all regions of the lung. There are as many as 750 millions of alveoli in both the lungs of adult man which provide about 100 sq surface area of respiration.
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