Differences Between Arteries and Veins

March 9, 2018

S.N	Arteries	Veins
1.	Carry blood away from the heart.	Bring blood towards the heart
2.	Wall is thick and strong.	Wall is thin and weak.
3.	Located deep in the body away from the skin except wrist, neck, etc.	Located close to the skin i.e. superficially.
4.	Narrow lumen.	Wide lumen.
5.	Internal valves are absent.	Internal valves are present.
6.	Carry oxygenated blood except pulmonary artery.	Carry deoxygenated blood except pulmonary vein.
7.	Blood flows with high speed and under high pressure.	Blood flows with low speed and under low pressure.
8.	Can bear high pressure.	Cannot bear great pressure.
9.	Do not collapse and remain open through blood flow stops.	Collapse if blood flow stops.
10.	More elastic in nature.	Less elastic in nature.
11.	Red in colour.	Blue in colour.
12.	Tunica externa is less developed and less strong.	Tunica externa is more developed and more strong.
13.	Tunica media is more muscular.	Tunica media is less muscular.
14.	Tunica interna has more elongated endothelial cell.	Tunica interna has less elongated endothelial cell.
15	Pulse is detectable.	Pulse is not detectable.
16.	Contain 15% of blood.	Contain 65% of blood.
17.	Pulmonary and systemic arteries are types.	Superficial veins, deep veins, pulmonary veins and systemic veins are types.
18.	Disease: Artherosclerosis. Image source: physioweb	Disease: Thrombosis, varicose veins. Image source: physioweb