Circulatory System

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Across
  1. 4. connect arteries and veins
  2. 5. vein carrying deoxygenated blood back to heart
  3. 7. air sacs in the lungs
  4. 9. aortic and pulmonary valves control flow out
  5. 10. heart is this size
  6. 11. provides organs tissues and cells with oxygen
  7. 13. blue color of blood to the heart
  8. 15. the pump
  9. 17. where oxygen and nutrients picked up by blood
  10. 18. one thing the circulatory system delivers
  11. 19. abnormal heart rate
Down
  1. 1. another name for the system with the heart
  2. 2. main artery of heart carries blood to body
  3. 3. sends blood to the rest of body and back
  4. 6. action to control blood flow
  5. 8. part of body of Inferior Vena Cava
  6. 12. arteries, veins and capillaries
  7. 14. red color of blood from the heart moves in this
  8. 16. sends blood from the heart to lungs and back