Across
- 3. diameter of the arteriole gets bigger
- 4. hemoglobin or red blood cell deficiency
- 7. the build up of fat in the arteries
- 9. a type of white blood cell that seeks and engulfs invader cells
- 10. protein that forms a sticky, thread-like net to form a blood clot
- 11. a wall of muscles that separates the right and left sides of the heart
- 14. a bundle of nerves and muscles that set the heart's tempo
- 15. when the heart exceeds 100bpm
- 16. vessels with one-way valves that transport blood towards the heart
Down
- 1. smallest blood vessels
- 2. diameter of the arteriole gets smaller
- 4. blood vessels under high pressure that carry blood away from the heart
- 5. protein that controls water levels
- 6. blood clot that seals off a blood vessel
- 8. vein that carries deoxygenated blood from veins below the diaphragm to the right atrium
- 12. cells containing hemoglobin
- 13. valve which prevents the backflow from the right ventricle to the right atrium