Question

why are lungs divided into very small sac-like structures? justify your answere.

Answer 1

Answer:

lungs divided into very small air sac like structures to develop the total surface area and it is quite simple to transport oxygen to the part of the blood vessel and it is surround the air sacs and also air sacs have thin film of oxygen which support absorb faster manner.

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Answer 2

Heya...❤

ANSWER:

• Lungs divided into very small air sac like structures
• To develop the total surface area and
• It is quite simple to transport oxygen to the part of the blood vessel and it is surround the air sacs and also air sacs have thin film of oxygen which support absorb faster manner.

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