Question

difference between artery and vein.

Answer 1

Arteries, like veins, are tube-shaped vessels that carry blood in the body. The chief difference between arteries and veins is the job that they do. Arteries carry oxygenated blood away from the heart to the body, and veins carry oxygen-poor blood back from the body to the heart.

Answer 2

Arteries are thick walled,while veins are thin walled.
Arteries carry oxygenated blood,veins carry deoxygenated blood.