Biology, asked by CintaMaria, 8 months ago

why are lungs divided into small sack like structures. ​

Answers

Answered by Sahira12
1

Explanation:

Lungs are divided into sacs to increase the surface area and to easily transport oxygen to the blood vessels which surrounds the air sacs and also air sacs have a thin film of oxygen which helps to absorb oxygen quickly.

Answered by susam3094
1

Answer:

hello dear!!

hope my answer helps

Explanation:

Lungs are divided into sacs to increase the surface area and to easily transport oxygen to the blood vessels which surrounds the air sacs and also air sacs have a thin film of oxygen which helps to absorb oxygen quickly

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