Arteries are thick-walled vessels built to take care of superior force because they carry oxygenated blood away from the heart. They have got a few levels: Tunica intima: The innermost layer made of endothelial cells. The smallest tubes are called capillaries. As blood moves throughout the capillaries, the oxygen together with https://www.sgvascularctr.com/an-introduction-to-vascular-surgery-in-singapore/