number of alveoli in the two human lungs is a ) 600-800millions b ) 200-300millions c) 1-2 millions d ) 100,000-150,000 millions
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Answer:
d) 100,000 - 150,000 milllions
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Explanation:
Alveoli are the basic unit of ventilation. The number of alveoli is a key structural determinant of lung architecture. Alveolar number is closely related to total lung volume, with larger lungs having considerably more alveoli, ranging from 600-800 million.
So, the correct option is '600-800 million'.
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