Fenestrated capillaries permit the exchange of nutrients and wastes between cells and the blood because of which feature of their structure? A. gaps between adjacent endothelial cells allow free exchange between blood and interstitial fluid. B. they are in close proximity to most cells. C. their tunica intima is composed of a single layer of endothelial cells. D. their endothelium has pores (windows) to allow the rapid movement of water and solutes
Option D. Fenestrated capillaries permit the exchange of nutrients and wastes between cells and the blood because of their endothelium has pores to allow the rapid movement of water and solutes.
