SOLUTION: A typical adult human lung contains about 330 million tiny cavities called alveoli. Estimate the average diameter of a single alveolus. Assume the alveoli are spherical and a typic

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Question 914546: A typical adult human lung contains about 330 million tiny cavities called alveoli. Estimate the average diameter of a single alveolus. Assume the alveoli are spherical and a typical human lung is about 2.05 liters.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

.

%284%2F3%29pir%5E3 = 2.05x10%5E6mm%5E3%2F300x10%5E6

 r^3 = %283%2F4%29%282.05mm%5E3%2F300%29%2Fpi+

r = root%283%2C2.05%2F400pi%29+ = .12mm (nearest one-hundredth)

d = .24mm