Cardiovascular System

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Across
  1. 2. Plasma, Red Blood Cells, White Blood Cells, Platelets
  2. 4. The lower chambers of the heart
  3. 6. tiny blood vessels that connects arteries and veins
  4. 8. The doorway from the right atrium to the right ventricle
  5. 10. Oxygenated blood away
  6. 11. valves keep blood moving in this direction
  7. 12. First step in blood flow
  8. 13. The doorway from the left atrium to the left ventricle
  9. 14. Number of Valves
  10. 16. Where unoxygenated blood changes to oxygenated
  11. 18. blood reenters the heart through this
Down
  1. 1. Pumps blood to the rest of the body
  2. 3. Your heart is about this size
  3. 5. Another name for Cardiovascular
  4. 7. Carries blood and nutrients to the body and waste away from the body
  5. 9. Unoxygenated blood towards
  6. 15. The upper chambers of the heart
  7. 17. Number of Chambers