Across
- 2. - Organ that pumps blood around the body.
- 6. - Structure that prevents blood flowing backwards.
- 7. - Gas carried by the blood to body tissues.
- 9. - Relating to the lungs.
- 10. - Smallest blood vessel where gas exchange occurs.
- 12. - A hollow section of the heart that holds blood before it is pumped.
- 13. - Blood vessel that carries blood towards the heart.
- 14. - Wall that separates the left and right sides of the heart.
- 15. - Organs where oxygen enters the blood and carbon dioxide leaves.
Down
- 1. - Blood vessel that carries blood away from the heart.
- 3. - Lower chamber of the heart.
- 4. - Fluid that transports oxygen, nutrients and wastes around the body.
- 5. CAVA - Large vein that returns blood from the body to the heart.
- 8. - Largest artery in the body.
- 9. - Blood components that help blood clot.
- 11. - Upper chamber of the heart.