How do I describe the structure of capillary walls?

Answer

Capillary walls have very thin walls that are comprised only of endothelial cells, that allows substances to move through the wall easily. They are very small in width, measuring 5-10 micrometres. However, their cross-sectional area within the average size muscle is larger than that of the Aorta.
Q&A Related to "How do I describe the structure of capillary..."
The capillary walls consist of endothelial cells surrounded
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intercellular clefts.
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It's permeable to certain things and not permeable to other things. Source(s): good luck
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see. http://uk.search.yahoo.com/search?p=Epit…. Use search engines, hope that helps.
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