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iVinArrow [24]
3 years ago
10

Why are there many alveoli in the lungs?

Biology
2 answers:
Jet001 [13]3 years ago
7 0
<em>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..
</em>
Aleksandr [31]3 years ago
3 0
There is a much greater surface area for the exchange of oxygen and carbon dioxide. 
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