Across
- 3. a vessel that carries blood towards the heart
- 4. the largest artery going towards the body; oxygenated
- 5. large veins that carry blood from the body to the heart
- 8. the most muscular chamber of the heart
- 10. structures that prevent the backflow of blood
- 11. the wall that divides the sides of the heart
- 13. upper chambers of the heart
- 14. body fluid that delivers nutrients and oxygen
- 15. a vessel that carries blood away from the heart
Down
- 1. the only vein that carries oxygenated blood
- 2. lower chambers of the heart
- 6. the tip of the heart
- 7. the organ that pumps blood through the body
- 9. tiny blood vessels bringing nutrients to the tissues
- 12. the only artery that carries deoxygenated blood