Biology, asked by Anonymous, 6 months ago

explain the structure of alveoli class 8

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Answers

Answered by nath12849
2

Answer:

Each alveolus is cup-shaped with very thin walls. It's surrounded by networks of blood vessels called capillaries that also have thin walls. The oxygen you breathe in diffuses through the alveoli and the capillaries into the blood.

Explanation:

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