difference between artries and vein
Answers
Answer:
Arteries are thick and possess 3 layered walls of muscles and elastin. The three layers in an artery are tunica adventitia or tunica externa; the tunica media, and the tunica intima. An artery has no valves except semilunar valves at the base of the aorta and the pulmonary artery. The lumen in the arteries is narrow.
Vein
Veins have thin walls with few elastic fibres. A vein also consists of three layers as an artery. Valves are present in a vein and the lumen is wider.
Artery
Since arteries are vital for the blood flow to the body, they are located deeper in the body, closer to the skin and hence remain protected by the skin tissues.
Vein
Veins are located close to the skin surface and are at a distance from the corresponding artery.
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