The Circulatory System Crossword

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Across
  1. 4. aka relaxation
  2. 5. the rhythmic expansion and recoil of arteries resulting from heart contraction; can be felt from outside the body
  3. 7. aka high blood pressure; 140/90 or higher
  4. 8. a vessel that carries blood away from the heart
  5. 9. specialized muscle of the heart
  6. 12. aka contraction
  7. 13. the pressure in the arteries at the peak of ventricular contraction
  8. 14. a minute blood vessel connecting arterioles with venules
  9. 17. discharging chambers of the heart
  10. 19. of or pertaining to the heart
Down
  1. 1. small masses of lymphatic tissues that ring the pharynx, where they are found in the mucosa
  2. 2. the pressure the blood exerts against the walls of the blood vessels; force that keeps blood circulating
  3. 3. aka low blood pressure
  4. 6. abnormal or unusual heart sounds
  5. 10. a minute artery
  6. 11. a sequence of events encompassing one complete contraction and relaxation of the atria and ventricles of the heart
  7. 15. the largest artery in the body
  8. 16. the pressure when the ventricles relax
  9. 17. a vessel carrying blood away from the body's tissues and back to the heart
  10. 18. a chamber of the heart receiving blood from the veins