Circulatory System

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