Across
- 3. blood vessels that return blood to the heart
- 5. high blood pressure
- 7. site where nutrients and wastes are exchanged
- 9. the study of blood
- 11. supply the heart
- 12. blood clotting
- 13. blood vessels that carry blood away from the heart
- 16. persistent heart rate
- 17. upper chambers of the heart
- 18. the clear extracellular matrix of blood
Down
- 1. cancer of the blood
- 2. lower chambers of the heart
- 4. membranous sac enclosing the heart
- 5. iron containing pigment of red blood cells
- 6. deficiency of red blood cells
- 8. pressure when the ventricle relaxes
- 10. middle layer of the heart wall
- 13. bulge in an arterial wall
- 14. blood cell fragments that play a role in clotting
- 15. pressure when the ventricle contracts