Question

what is the relation b/w arteries,capillaries and veins

Answer 1

arteries are the blood vessels which carry oxygenated blood from the heart to the organs of the body except the Pulmonary artery which carries deoxygenated blood from the heart to the lungs

veins are the blood vessels which carry deoxygenated blood towards the heart from the organs except the Pulmonary vein which carries oxygenated blood from the lungs to the heart

capillaries are the blood vessels with join the veins and the arteries they are a very narrow tube whose walls consist of single layer of squamous epithelium cells

Answer 2

Answer:

Arteries, Veins and Capillaries, all of them supplies blood to different parts of the body. Also, The shape of all of the three is same looking.