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Why lungs are divided into very …

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Why lungs are divided into very small sac-like structures??

Posted by Maahi ......♾ 5 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Maahi ......♾ 5 years, 3 months ago

Thanks.....

Ifra Ehtesham 5 years, 3 months ago

Lungs are divided in sac like structures to increase the surface area for exchange of gases .And these sac like structures are called alveoli

Harshdeep Singh 5 years, 3 months ago

Because in our body there is neccesary to store some oxygen gas in our lungs to use it in worst time so that the lungs is divided into two sac like structures

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