Singco123 Singco123

05-09-2014
Biology

Answered

Why are there many alveoli in the lungs?

Verified Answer :

johnnyzhou2009 johnnyzhou2009

05-09-2014

There is a much greater surface area for the exchange of oxygen and carbon dioxide.

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06-09-2014

it is so because :
lungs have to exchange the gases between itself and the surrounding capillaries so for this purpose a larger surface area is required ,, having a large number of alveoli provide large surface area..

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