Biology, asked by suji27, 1 year ago

why is lungs divided into sac like structure

Answers

Answered by Suryavardhan1
4
HEY!!

Lungs are divided into sac like structure called alveoli, so as to increase the surface area. Due to which transport of gases like oxygen can takes place efficiently. 
Answered by misslovelypriya
2
Luñgs are divided into a sac like structure ic called alveoli which increase surface area for exçhange of gases...
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