How are respiratory surfaces adapted to their functions

1.	How are respiratory surfaces adapted to their functions
Answer» Explanation: Adaptations of the alveoli: Thin walls - alveolar walls are one cell thick PROVIDING GASES with a SHORT diffusion distance. Moist walls - gases dissolve in the MOISTURE helping them to pass across the GAS exchange surface. Permeable walls - allow gases to pass through. ... Carbon dioxide diffuses in the opposite direction.

Answer»

Explanation:

Adaptations of the alveoli:

Thin walls - alveolar walls are one cell thick PROVIDING GASES with a SHORT diffusion distance. Moist walls - gases dissolve in the MOISTURE helping them to pass across the GAS exchange surface. Permeable walls - allow gases to pass through. ... Carbon dioxide diffuses in the opposite direction.

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How are respiratory surfaces adapted to their functions

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