Write two points of differences between arteries and veins.
|1. Arteries are blood vessels which carry blood away from the heart.||1. Veins are blood vessels which carry blood towards the heart.|
|2. Arteries are thick-walled blood vessels.||2. Veins are thin-walled blood vessels.|
|3. The blood flow in arteries is rapid and under higher blood pressure.||3. The blood flow in veins is slower and under lower blood pressure.|
|4. Arteries are situated deep inside the body.||4. Veins are situated superficially in the body.|
|5. Arteries do not have valves.||5. Veins have valves to prevent the backflow of blood.|
|6. Except for the pulmonary artery, all arteries carry oxygenated blood.||6. Except for the pulmonary vein, all veins carry deoxygenated blood.|
Concept: Concept of Transportation
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