Across
- 1. B-cells make these.
- 6. small glands that filter harmful substances.
- 8. a type of white blood cell.
- 9. producer of lymphocytes.
Down
- 2. lymphocytes are important for.
- 3. alternative name for lymphocyte T cells.
- 4. where T cells mature
- 5. where lymphocytes are carried outside of nodes.
- 7. Another name for B cells.
- 9. Lymphocytes are made from these cells.