Arteries | Veins |
1. Carry oxygenated blood away from the heart to the body. 2. The flow of the blood is intermittent and fast. 3. Their blood has considerable pressure. 4. They have thick, elastic walls and narrow lumen. | 1. Carry deoxygenated blood back from the body to the heart. 2. The flow of the blood is slow and steady. 3. Their blood has low pressure. 4. They have thinner, scarcely elastic walls and wide lumen. |