Across
- 1. leukocytes that contain histamine
- 3. the matrix that is part of blood
- 5. the part of red blood cells that enable transport of oxygen
- 6. cells that carry oxygen
- 8. the only formed elements that are complete cells
- 10. play an important role in immunity
- 11. most numerous leukocyte
- 12. cells fragments involved in blood clotting
Down
- 2. transported from glands to target cells by the blood
- 4. the largest leukocytes
- 7. transported from lungs to cells in the body by the blood
- 9. also called red blood cells
