Across
- 3. A small bean shaped structure that is part of the immune system.
- 6. a blood protein produced in response to a specific antigen.
- 7. this is a acquired response caused by pathogens.
- 8. a foreign substance or toxin which causes a immune response.
- 9. two small masses of lymphoid tissue in the throat.
Down
- 1. an abdominal organ involved in the production and removal of blood cells.
- 2. A thin tube that carries lymphatic fluid and white blood cells.
- 4. a cell that acts as the first line of defense in the innate immune response.
- 5. this immunity is given/provided to a person when given antibodies to a disease.