Circulatory System

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Across
  1. 1. located at the top of the heart
  2. 7. located at the bottom of the heart
  3. 8. blood cells that protect against foreign invaders
  4. 10. artery that splits to bring dirty blood to each long to get full of oxygen
  5. 13. the part of the blood responsible for clotting
  6. 15. the largest artery in the body
  7. 18. without oxygen
  8. 19. carry blood away from the heart
  9. 21. circulation that carries, clean, oxygen filled blood around the body
  10. 22. valve located between the left atrium and left ventricle
Down
  1. 2. vena cava bringing blood to the right atrium from the head, arms, and upper body
  2. 3. this system includes the heart, blood, and blood vessels
  3. 4. the color of dirty blood, carbon dioxide filled blood
  4. 5. protein in red blood cells that carries oxygen
  5. 6. number of chambers in the heart
  6. 9. number of blood cells floating in plasma
  7. 11. vena cava bringing blood tot he right atrium from the lower part of the body
  8. 12. the yellowish watery part of blood
  9. 14. valve located between the right atrium and right ventricle
  10. 16. the average person can live without this for no more than 3-6 minutes
  11. 17. with oxygen
  12. 20. the color of clean, oxygen filled blood