Arteries vs. Veins vs. Capillaries (12 Differences)

What are Capillaries?

May 13, 2024 | by Bloom Code Studio

They have very thin walls and form an extremely fine network of small tubes.
They consist of just one layer of tissue called the endothelial layer.
The endothelial layer is so thin and has higher permeability allowing the influx and efflux of chemicals in capillaries.
They are also fenestrated, and hence diffusion of chemicals can occur through them.

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