BLOOD - Hartland High School

3. Low red blood cell count. 4. Cancer of the blood. 6. Thrombocytes (common word) 7. Clear, liquid portion of blood. 9. Cell that "eats" other cells. 11. Circulate in body and attach to foreign substances. 13. The process where bleeding is stopped. 16. Cell surface markers. 19. Movie: My ___ Valentine. 20. Organ that breaks down old, worn out ... ................
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