Name the layers of the artery whose components are labeled as 1, 2 and 3 below
1.Tunica intima; 2. Tunica media; 3.Tunica adventitia
The wall of blood vessels (arteries and veins) are made up of mainly 3 layers-
Outermost Tunica adventitia, mainly composed of collagen and, in arteries, is supported by external elastic lamina.