Why are lungs divided into very small sac-lik | vedclass

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(D) $1$. Lungs contain millions of small, balloon-like structures called $alveoli$.$2$. These structures provide a very large surface area for the dif

Vedclass · Accepted Answer

To increase the surface area for the exchange of gases.

Vedclass · Answer

(D) $1$. Lungs contain millions of small, balloon-like structures called $alveoli$.$2$. These structures provide a very large surface area for the diffusion of gases.$3$. A larger surface area allows for more efficient exchange of $O_2$ and $CO_2$ between the air in the lungs and the blood in the capillaries.$4$. Therefore, the division into small sacs is an adaptation to maximize gas exchange.

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

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