Cardiovascular Circulatory System

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Across
  1. 1. body not receiving enough oxygen
  2. 3. blockage of a blood vessel by a blood clot
  3. 5. chest pain
  4. 8. medication that relaxes the walls of the coronary arteries
  5. 9. vessel that carries blood away from the heart
  6. 10. vessels that carry blood to the heart
  7. 12. phase when the heart muscle relaxes
  8. 13. Contraction of the heart
Down
  1. 2. red blood cells are less than normal
  2. 4. lack of blood supply to an area
  3. 5. the two upper chambers of the heart
  4. 6. irregular heartbeat
  5. 7. the two lower chambers of the heart
  6. 11. four-chambered organ that pumps blood throughout the body