1. Blood vessels are tube-like structures that carry blood in the body.
2. They help transport oxygen, nutrients, and waste.
3. There are three main types: arteries, veins, and capillaries.
4. Arteries carry blood away from the heart.
5. Veins carry blood back to the heart.
6. Capillaries are very tiny and connect arteries and veins.
7. Blood vessels help control body temperature.
8. They can widen or tighten to manage blood pressure.
9. Healthy blood vessels are important for heart health.
10. Blocked blood vessels can lead to serious diseases.
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