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Biology · 术语表

什么是 Alveoli?

又称: alveolus

Definition 51.3 Primary & Middle School Biology · 第 51 章 — The Lungs and Gas Exchange

The tiny air pockets of Definition 26.3 are the alveoli: hundreds of millions of thin-walled bubbles clustered at the airways’ finest tips, each wrapped in fine blood vessels. Their summed surface is the half tennis court of Remark 26.4 — the human copy of Proposition 47.1’s large-thin-moist specification.

One alveolar cluster of the hundreds of millions: thin bubble walls, a wrap of fine vessels, and the two-way crossing that is the point of it all.
One alveolar cluster of the hundreds of millions: thin bubble walls, a wrap of fine vessels, and the two-way crossing that is the point of it all.
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