Across
- 2. Blood that is rich in oxygen.
- 4. A plasma protein involved in blood clot formation.
- 6. Blood vessel that returns deoxygenated blood to the heart.
- 7. The liquid part of blood that transports substances.
- 8. The valve between the right atrium and right ventricle.
- 9. Blood cell involved in defence against disease.
- 10. Blood vessel that Carries deoxygenated blood from the heart to the lungs.
- 12. Blood vessel that Carries nutrient-rich blood from the intestine to the liver.
- 14. Blood vessel that Supplies blood to the heart muscle itself.
- 15. Blood cell that transports oxygen.
- 17. The valve between the left atrium and left ventricle.
- 18. A circulatory system in which blood passes through the heart twice in one complete cycle.
- 20. A protein in red blood cells that binds with oxygen.
Down
- 1. Blood vessel that Carries oxygenated blood from the lungs to the heart.
- 3. Supplies oxygenated blood to the liver.
- 5. Blood Cells involved in blood clotting.
- 11. A wall of muscle that separates the left and right sides of the heart.
- 13. The main artery that carries oxygenated blood from the heart to the body.
- 16. Carries blood away from the kidneys back to the heart.
- 19. Valves found at the base of arteries leaving the heart.