Question

Differentiate between arteries and veins.

Answer 1

Arteries

1. They carry blood away from the heart to all parts of the body.
2. They carry oxygenated blood (except pulmonary artery).
3. They are usually deep seated in the tissues.
4. Blood flows with jerks and under high pressure.
5. Valves are absent.
6. Thick elastic walls present.

Veins

1. They carry blood into the heart from all parts of the body.
2. They carry deoxygenated blood (except pulmonary vein).
3. They lie closer to skin surface.
4. Blood flows smoothly and under low pressure.
5. Valves are present.
6. Walls thinner than arteries present.