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aleksandr82 [10.1K]
2 years ago
9

The features of alveoli for the efficient exchange of gases.

Biology
1 answer:
Nina [5.8K]2 years ago
4 0

Explanation:

The alveoli are lined with mucus and are surrounded by a network of blood capillaries. They have very thin walls for gases to be absorbed through. An individual air sac is called an alveolus. The layer of moisture in the alveoli allows gases to dissolve so that they can diffuse quickly.

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