Veins and arteries carry blood. Which of these carry blood :
away from the heart?

Answer

### Step-by-Step Solution:

1. **Understanding Blood Vessels**: Blood vessels in the body include arteries and veins. Each type has a specific function related to blood circulation.

2. **Identifying Veins**: Veins are blood vessels that are typically visible as greenish-blue lines under the skin. They are responsible for carrying blood back to the heart. Specifically, veins carry deoxygenated blood from various parts of the body to the heart.

3. **Identifying Arteries**: In contrast, arteries are the blood vessels that carry blood away from the heart. They transport blood under high pressure and are primarily responsible for delivering oxygenated blood to the body tissues.

4. **Conclusion**: The question asks which blood vessels carry blood away from the heart. Based on the functions of veins and arteries, the correct answer is that **arteries** carry blood away from the heart.

### Final Answer:
**Arteries carry blood away from the heart.**

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