Body Fluid and Circulation NEET PYQS BLOOD VESSELS Arteries and veins Both Artery and Veins consist of three layers Tunica Intima - Inner lining of squamous Epithelium Tunica Intima - Middle layer of Smooth muscle and elastic fibres Tunica Externa- External Layer of Fibrous connective tissue with collagen fibres Tunica media is thin in Veins @JEENEETGURU 3.1K views03:48
