Across
- 6. supply of blood to the heart is suddenly blocked, usually by a blood clot
- 8. prevent the blood from flowing in the wrong direction.
- 9. mainvein.
- 10. a muscular organ that pumps blood to all parts of the body.
- 12. pumps blood away from the heart.
- 13. when the heart chambers relax.
- 15. blood pushes against the insides of the artery walls.
Down
- 1. 2 lower chambers.
- 2. pressure of the blood being pumped through your blood vessel is higher than they should be.
- 3. contractions of the heart chambers.
- 4. controls the heartbeat.
- 5. arteries become clogged with buildup such as plaque.
- 7. pump blood to the venticles.
- 11. blood clot in a blood vessel.
- 14. the main atery.