Circulatory System

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Across
  1. 5. upper chambers of the heart
  2. 6. Reach the site of infection and destroy microorganisms
  3. 7. upper number, when ventricles relax
  4. 8. Movement of blood from the heart to all parts of the body
  5. 9. upper number, when ventricles contract
  6. 10. Cell fragments of large cells made in the bone marrow
  7. 11. Transports O2 to all parts of the body
  8. 14. Connects arteries to veins
  9. 16. protein or carbohydrate on the surface of the RBC
  10. 18. supplies blood to the heart
  11. 19. major artery leaving the heart
Down
  1. 1. supplies blood to small intestine and liver
  2. 2. clumping of blood between blood types
  3. 3. prevents blood from flowing backwards in the heart
  4. 4. lower chambers of the heart
  5. 10. Liquid component of blood
  6. 12. the movement of blood throughout the body
  7. 13. major organ of the circulatory system
  8. 15. Returns deoxygenated blood to the heart
  9. 17. Carries blood away from the heart