Differences between arteries and veins

Arties and vein Arteries transport blood at high pressure to the body while veins transport blood at low pressure from the body to the heart.

Adaptation of the artery -thick wall to accommodate high pressure – have narrow lumens to maintain high pressures – some arteries like aorta valves to prevent the backflow of blood. Adaptation of veins -wide lumen to lower resistance to blood flow -valves allow blood tom flow in one direction Differences between arteries and veins

	Arteries	veins
1	Thick wall	Thin walls
2.	Narrow lumen	Broad lumen
3.	Have no valves except pulmonary artery and aorta	Have valves
4.	Carry oxygenated blood except for pulmonary artery	Carry deoxygenated blood except
5.	Pulse detectable	Pulse not detectable
6.	Empty at time of death	Get filled up at death.

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