Cardiovascular Sytem

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Across
  1. 2. white blood cell
  2. 7. cardiac myocytes joined by ends
  3. 8. helps form blood clots
  4. 9. thick middle layer of heart
  5. 12. carries blood away from heart
  6. 15. prevents backflow of blood
  7. 16. empties into right atrium
  8. 17. respond to pressure changes
  9. 18. returns blood back to heart
Down
  1. 1. red blood cell
  2. 3. blood flow from right atrium to right ventricle
  3. 4. result of heart contraction
  4. 5. contract to fill ventricles
  5. 6. blood flow from ventricles to aorta and pulmonary trunk artery
  6. 10. inner layer of pericardium
  7. 11. fluid portion of blood
  8. 13. covers heart valves and tendons
  9. 14. blood flow from left atrium to left ventricle