Lymphatic and Immune System

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Across
  1. 5. system that circulates oxygen-rich blood
  2. 8. harmful pathogens
  3. 9. blood is composed of blood cells and
  4. 11. -penia
  5. 12. a key protein involved in blood clotting
  6. 14. large, immature cell that matures into a blood cell
  7. 15. the ability to resist pathogens and toxins
Down
  1. 1. commonly known as blood platelets
  2. 2. tonsils are located on either side of the throat
  3. 3. cells that destroy harmful pathogens
  4. 4. red blood cells
  5. 6. -path/o
  6. 7. detect and destroy foreign cells in the body
  7. 10. diagnoses & treats allergies & immune diseases
  8. 13. makes up a lg portion of the proteins in plasma