Blood & Circulatory System

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Across
  1. 3. Protein in red blood cells that carries oxygen.
  2. 5. Movement of blood throughout the body.
  3. 6. Cells that fight disease and infection.
  4. 8. Chemical carried in blood that regulates body functions.
  5. 9. Blood vessels that carry blood away from the heart.
  6. 10. Condition caused by low iron resulting in small red blood cells.
  7. 14. Blood structures responsible for clotting.
  8. 15. Protein that destroys harmful invaders.
  9. 17. Gas transported by blood to body cells.
  10. 19. Small vessels where exchange of materials occurs.
  11. 20. Testing blood to determine health and characteristics.
  12. 23. Waste gas removed by blood from cells.
  13. 25. Substances transported by blood for energy and growth.
Down
  1. 1. Sticky fibers that form a clot to stop bleeding.
  2. 2. Process that causes blood to clot.
  3. 4. Transfer of blood from one organism to another.
  4. 7. Function of blood that distributes heat.
  5. 11. Materials carried by blood for removal from the body.
  6. 12. Soft tissue in bones where blood cells are produced.
  7. 13. Cells that carry oxygen using hemoglobin.
  8. 16. Blood vessels that carry blood back to the heart.
  9. 18. Disease-causing organism found in blood.
  10. 20. Loss of blood due to injury or disease.
  11. 21. Liquid in the circulatory system essential for life.
  12. 22. Liquid portion of blood that carries dissolved substances.
  13. 24. Organ that pumps blood through the body.