Circulatory System

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Across
  1. 3. Something beginning with 'n' that the circulatory system transports
  2. 6. A factor which effects heart rate
  3. 7. Pumps blood
  4. 10. Blood flows through here from the lungs to the left atrium
  5. 12. Blood flows through here to get to the lungs from the right ventricle
  6. 13. Phase of the cardiac cycle, atria contracts and forces blood into ventricles
  7. 15. These blood cells transport O2 and CO2 around the body
  8. 18. The bottom 2 chambers of the heart
  9. 21. Contain valves to keep blood flowing in one direction
  10. 22. Word for the maintenance of correct body temperature
  11. 24. Helps with the clotting of blood
  12. 26. Arteries, capillaries and veins
  13. 27. These blood cells help fight infections and disease
Down
  1. 1. Something beginning with 'o' that the circulatory system transports
  2. 2. Blood on the right side of the heart
  3. 4. A factor which effects heart rate
  4. 5. Phase of the cardiac cycle, ventricles contract and blood ejected from ventricles
  5. 8. Vessels which allow transport into and out of cells
  6. 9. The top 2 chambers of the heart
  7. 11. Blood on the left side of the heart
  8. 14. The largest artery in the human body
  9. 16. Vessels which return blood to the heart
  10. 17. The liquid part of blood
  11. 19. Strongest side of the heart
  12. 20. Phase of the cardiac cycle, heart is relaxed and the atria fill with blood
  13. 23. Blood vessels with thick walls
  14. 25. Vessels which carry blood away from the heart