 
       
      
    Differentiate between an artery and a vein.
| Artery | Vein | 
| distribute blood to organs | collects blood from organs | 
| moves away from the heart | moves toward the heart | 
| valves are present | valves are absent | 
| blood pressure is high | blood pressure is low | 
| they end in capillaries | they start from capillaries | 
| carry oxygenated blood (exception: pulmonary artery) | carry deoxygenated blood (exception: pulmonary vein) | 
| further divided into arterioles | further divided into venules | 
| have small lumen | have large lumen | 
| reddish in color | bluish in color | 
