Across
- 5. protein seen as foreign; causes production of antibodies
- 7. binding site of oxygen
- 10. fluid portion of blood composed of water, proteins, and amino acids
- 12. a person trained to draw blood
- 13. lacking a nucleus
- 14. protein that combines with oxygen
- 15. red blood cells
- 17. hormone that increases the production of red blood cells
- 18. blood collected from a superficial vein
- 19. produced by the body to attack any foreign material
- 20. circulate about 120 days
Down
- 1. white blood cells
- 2. (2 words, no space) results in a temporary patch to stop bleeding
- 3. another name for packed cell volume
- 4. a decrease in the oxygen carrying capacity of red blood cells
- 6. molecule that houses iron molecules
- 8. plenty of oxygen; bright red in color
- 9. required for blood clotting
- 11. low in oxygen; dark red or maroon in color
- 16. platelets