Human Defence

2. Cells of the general defence system such as macrophages which engulf and digest bacteria
3. Proteins produced by lymphocytes in response to a specific antigen
5. Cells which produce antibodies
8. Part of human defence which attacks particular pathogens
10. glands in the skin which produces chemicals to kill bacteria
11. Tiny hairs which beat to clear mucous from the respiratory tract
13. A disease causing microorganism
14. Structural barrier which acts as a structural barrier keeping pathogens out of the body

1. Spleen, thymus, tonsils and lymph nodes are organs of this system
2. Process by which Phagocytes engulf and digest Pathogens
4. Sticky substance which lines membranes trapping pathogens
6. Cells which phagocytose and digest bacteria - display particles of pathogen at it's surface to stimulate antibody-producing cells
7. The term used to describe part of the defence system which is non specific
9. The ability to resist infection
12. Part of a pathogen which stimulates production of antibodies