Which of the following is an adaptation of alveoli for efficient gas exchange?
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Thick walls to withstand high pressure.
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Walls that are only one cell thick and a large total surface area.
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Small network of blood capillaries.
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Dry surfaces to prevent sticking.
📝 Batafsil tushuntirish
Thin walls minimize diffusion distance, and the large surface area maximizes the amount of gas that can diffuse at once.
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