The HEART

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