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Number of alveoli in human lung is about...

Number of alveoli in human lung is about

A

One million

B

More than two millions

C

More than five millions

D

More than seven millions

Text Solution

Verified by Experts

The correct Answer is:
d
the number of alveoli in human lungs has been estimated to be approximately 750 million , exposing a surface area of nearly `100m^(2)`.
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