Cardiovascular System

123456789101112131415
Across
  1. 4. carries blood from the upper body into the heart
  2. 6. middle layer of the heart wall
  3. 7. carries blood from the lower body into the heart
  4. 11. pumps oxygenated blood to the body
  5. 12. a double serous membrane
  6. 13. inner layer of the heart wall
  7. 15. carries oxygenated blood from the lungs to the left atrium
Down
  1. 1. gets blood from the lungs and pumps it to the left ventricle
  2. 2. pumps oxygen poor blood into the lungs for oxygenation
  3. 3. carries deoxygenated blood from right ventricle to the lungs
  4. 5. the largest artery in the heart
  5. 8. the two upper chambers of the heart
  6. 9. outside layer of the heart wall
  7. 10. the two lower chambers of the heart
  8. 14. receives blood from the body and pumps it to the right ventricle