Across
- 4. 100 bpm + higher
- 8. Narrowing
- 9. power of rhythmic contraction
- 10. Body's inflammatory response
- 11. Carry blood away from heart
- 12. Gives blood red color
- 13. Contraction + closure of cuspid valves
- 14. below 60 bpm
- 15. Thin outer layer of the heart
- 17. High blood pressure
- 19. Receives de-oxygenated blood from all over body
Down
- 1. White blood cells that fight infection
- 2. carries oxygen/carbon dioxide in blood
- 3. smallest vessels in the body
- 5. Sends blood to Aorta
- 6. Carry blood to heart
- 7. Relaxation + closure of semilunar valves
- 10. Pressure force exerted against walls of blood vessels
- 16. Thickest layer in the heart
- 18. Blood Vessels