Which among the following is / are correct deference(s) between an artery and a vein?
1. Generally, an artery has thick muscular wall while a vein has thin muscular wall
2. Generally, arteries are located deeper in the body, while veins are closer to the skin
3. Generally, valves are absent in arteries while present in veins
Select the correct option from the codes given below:

Answer: [D] 1, 2 & 3

Oxygen ConcentrationArteries carry oxygenated blood (with the exception of the pulmonary artery and umbilical artery).Veins carry deoxygenated blood (with the exception of pulmonary veins and umbilical vein).
TypesPulmonary and systemic arteries.Superficial veins, deep veins, pulmonary veins and systemic veins
Direction of Blood FlowFrom the heart to various parts of the body.From various parts of the body to the heart.
AnatomyThick, elastic muscle layer that can handle high pressure of the blood flowing through the arteries.Thin, elastic muscle layer with semilunar valves that prevent the blood from flowing in the opposite direction.
OverviewArteries are red blood vessels that carry blood away from the heart. resistance vesselsVeins are blue blood vessels that carry blood towards the heart. capacitance vessels
Diseaseartherogenesis- myocardial ischemiadeep vein thrombosis
Thickest layerTunica mediaTunica adventitia
LocationDeeper in the bodyCloser to the skin
Rigid wallsmore rigidcollapsible
ValvesAren't present (except for semi-lunar valves)Are present, especially in limbs
Source: http://www.diffen.com/difference/Arteries_vs_Veins

This question is a part of GKToday's Integrated IAS General Studies Module