Human Defence

2. Spleen, thymus, tonsils and lymph nodes are organs of this system
5. Process by which Phagocytes engulf and digest Pathogens
8. Tiny hairs which beat to clear mucous from the respiratory tract
9. Cells of the general defence system such as macrophages which engulf and digest bacteria
10. Proteins produced by lymphocytes in response to a specific antigen
12. glands in the skin which produces chemicals to kill bacteria
13. Part of human defence which attacks particular pathogens
14. Structural barrier which acts as a structural barrier keeping pathogens out of the body

1. The ability to resist infection
3. Cells which phagocytose and digest bacteria - display particles of pathogen at it's surface to stimulate antibody-producing cells
4. Cells which produce antibodies
6. Sticky substance which lines membranes trapping pathogens
7. A disease causing microorganism
10. Part of a pathogen which stimulates production of antibodies
11. The term used to describe part of the defence system which is non specific