communicable diseases
Across
- 2. liquid faeces.
- 3. a protein produced by the immune system that attacks foreign organisms.
- 5. a protein on the surface of a substance that triggers and immune response
- 8. the use of chemicals to treat cancer.
- 10. tiny hair-like projections from a cell that allows substances to move past the cell.
- 11. slimy white protein, lining the respiratory tract and alimentary canal.
- 14. controls what happens inside a cell.
- 15. single-celled microorganism.
- 16. often fatal disease caused by a virus in Africa.
- 17. Human Immunodeficiency Virus. Disease which damages the immune system.
- 18. the organism lived in by a parasite.
- 19. green or yellow pus from an infection.
Down
- 1. where photosynthesis occurs.
- 4. speeds up a chemical reaction.
- 6. infectious disease of the respiratory system.
- 7. fatal disease spread by mosquitos.
- 9. substance that stops the reproduction of bacteria.
- 12. inside a nucleus carrying genetic information of the living being.
- 13. a large group of eukaryotic organisms.