Capillaries permit the exchange of nutrients and wastes between cells and the blood because of which feature of their structure?

waelhammad

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2022-10-18

adjacent endothelial cells are separated by gaps which allow free exchange between blood and interstitial fluid.
they are in close proximity to most cells.
they have a single layer, the tunica intima, consisting of a single layer of endothelial cells in their walls.
their endothelial cells have pores (windows) to allow the rapid movement of water and solutes.

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waelhammad

2022-10-18

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C: the walls of capillaries are very thin and have only one tunic, not three in their wall.

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