Cardiovascular System

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Across
  1. 2. Valve leading to the pulmonary artery
  2. 7. Wall separating left and right sides of the heart
  3. 9. Lower right chamber of the heart
  4. 11. Main artery leaving the heart
  5. 13. Large vein carrying blood from lower body to heart
  6. 14. Liquid portion of blood
  7. 15. Pumps blood through the body
  8. 17. Valve between left atrium and left ventricle
  9. 19. Upper left chamber of the heart
  10. 20. Network transporting blood throughout the body
  11. 21. Sac surrounding the heart
  12. 22. Cells responsible for clotting
  13. 23. Large vein carrying blood from upper body to heart
Down
  1. 1. Lower left chamber of the heart
  2. 3. Valve leading to the aorta
  3. 4. Circulation between heart and lungs
  4. 5. One-way flaps that prevent backflow in the heart
  5. 6. Blood vessels that return blood to the heart
  6. 8. Artery carrying blood from heart to lungs
  7. 10. Tiny vessels where gas exchange occurs
  8. 12. Upper right chamber of the heart
  9. 14. Veins carrying oxygenated blood from lungs to heart
  10. 16. Valve between right atrium and right ventricle
  11. 18. Blood vessels that carry blood away from the heart