Across
- 2. pumps blood throughout the body
- 3. largest artery in the body
- 4. alternating expansion & relaxation of an artery wall as blood travels through
- 6. blood vessels that carry blood back to the heart
- 7. receives blood that comes into the heart
- 11. cell fragments that play a role in forming blood clots
- 13. sends signals to make the heart contract
- 15. wall of tissue that separates right and left side
- 16. red blood cell
- 17. tiny blood vessels where substances are exchanged between blood and body cells
Down
- 1. high blood pressure
- 5. pumps blood out of the heart
- 8. condition in which blood flow to part of the heart muscle is blocked causing heart cells to die
- 9. pressure exerted by blood against the walls of blood vessels
- 10. liquid part of blood
- 12. iron-containing protein that chemically binds to oxygen molecules
- 14. blood vessels that carries blood away from the heart