The Circulatory System

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Across
  1. 3. Only arteries that deliver deoxygenated blood away from the body.
  2. 5. upper chambers of the heart.
  3. 6. liquid part of the blood.
  4. 7. The main organ of the circulatory system.
  5. 9. prevents blood flow in the wrong direction
  6. 12. Heartbeat
  7. 14. chamber of the heart that receives oxygenated blood from the lungs.
  8. 16. scientific term for "red blood cell."
  9. 18. small blood vessel that connects arteries and veins.
  10. 20. process of blood flow through the circulatory system.
  11. 21. specialised connective tissue
Down
  1. 1. pressure with the arterial walls when heart is relaxing
  2. 2. The largest artery in the human body.
  3. 4. oxygen-carrying protein in red blood cells.
  4. 8. vessel that carries blood away from the heart.
  5. 10. major blood vessels that carry blood back to the heart.
  6. 11. type of blood vessel that carries deoxygenated blood towards the heart.
  7. 13. medical term for high blood pressure.
  8. 15. function of the circulatory system
  9. 17. artery that supplies blood to the heart
  10. 19. responsible for blood clotting