The simple idea
Capillaries are a single layer of cells, very short and very numerous — so blood moves slowly and has plenty of time and surface for exchange. There are three kinds:
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Part 5 · The Heart and Circulation
Same concept, other depth: Clinical Reasoning →
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Capillaries are a single layer of cells, very short and very numerous — so blood moves slowly and has plenty of time and surface for exchange. There are three kinds:
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