Artery
Vein
They carry blood from heart to the different parts of the body.
They carry blood from the different parts of the body to the heart.
Carry oxygenated blood (except pulmonary arteries which carry deoxygenated blood).
Carry deoxygenated blood(except pulmonary veins which carry oxygenated blood).
They have thick, elastic and more muscular walls.
They have thin and less muscular walls.
Give the structural differences between an artery and a vein.
Give three differences between artery and vein.
Write any three differences between arteries and veins.