Across
- 1. condition of absence of a spleen
- 4. increase in red blood cells
- 7. white blood cells
- 9. process in which some of the white blood cells destroy the invading microorganism and old cells
- 10. pertaining to lymph
- 12. record of the lymphatic vessels
- 14. reduction in the amount of red blood cells in the blood
- 15. study of blood
- 16. formation of bone marrow
Down
- 2. red blood cell
- 3. Inflammation of the tonsils
- 5. systemic infection
- 6. process of recording the lymphatic vessels
- 8. pertaining to thymus
- 11. a life-threatening reaction to previously encountered antigen
- 13. someone who studies the immune system