Across
- 2. Originates from lymph nodes, protects body from foreign invaders, single lobed nuclei
- 4. Engulfs/destroys foreign bacteria
- 6. Blood plasma is primarily made of water. What else is found in it?
- 7. Releases histamines
- 9. Where does haemopoiesis occur?
- 12. Originates from bone marrow, helps fight off infection, 4 lobed nucleus
- 13. The process that forms blood cells
- 15. Fragments of other cells, clots the blood
- 18. Can receive blood from type B and O
- 19. Blood clot that forms in a vein
- 20. Makes antibodies, helps kill tumor cells
- 21. Universal donor
- 23. Transports oxygen in the blood of vertebrates
- 25. Kills parasitic worms ingested in food
Down
- 1. Can receive blood from type A and O
- 3. Red blood cell, transports gasses and nutrients
- 5. Determines if blood type is positive or negative
- 8. White blood cell, defends the body against diseases
- 10. The main antigens found on human red blood cells
- 11. The stem cell that differentiates into all others
- 14. Universal recipient
- 16. The volume percentage of red blood cells in blood
- 17. Kills microorganisms, removes dead cells, boosts immune responses
- 22. Moves through the blood vessels until it reaches a vessel that is too small to let it pass
- 24. Number of oxygen molecules one hemoglobin protein carry
- 26. Element found at the center of each heme group
