The alveolar sac of the lungs and the villi o | vedclass

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(D) The correct answer is $D$. Both the alveolar sacs in the lungs and the villi in the small intestine are structural adaptations designed to signifi

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Both increase surface area

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(D) The correct answer is $D$. Both the alveolar sacs in the lungs and the villi in the small intestine are structural adaptations designed to significantly increase the surface area available for physiological processes. In the lungs,the alveoli increase the surface area for efficient gaseous exchange,while in the intestine,the villi increase the surface area for the absorption of digested food nutrients.

The alveolar sac of the lungs and the villi of the intestine have a similar function,which is that:

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