Across
- 4. Pertaining to an organism that lives in another organism, taking nourishment from it
- 5. Cells that surround, ingest, and digest microorganisms and cellular waste
- 6. Large single-nucleus white blood cells
- 7. Space between tissues
Down
- 1. chyli store purified lymph before it emties into the blood stream
- 2. Substances made by the body to produce immunity to an antigen
- 3. Type of white blood cell
- 4. Watery, colorless fluid containing leukocytes and platelets
- 8. Masses of lymph tissue that are exposed to the outside
- 9. Foreign matter that cause the body to produce antibodies