Across
- 3. T killer cells kill by making holes in the cell surface membranes using proteins called ...
- 4. present throughout gas exchange system and provide flexibility during ventilation and is mainl composed of protein elastin
- 7. It affects the liver, RBC, and brain causing pain, shivering, sweating and anaemia
- 8. tiny hollow sacs, containing few cells that secrete surfactant, help observe oxygen, receive O2 and passes it on
- 11. results from an individual becoming infected with a disease under normal circumstances. Body produces own antibodies
- 14. As a bacterium develops its cell wall, it secretes an enzyme known as ...
- 15. They have long thin stems and rounded tops resembling a wine goblet in shape
Down
- 1. the main biological measure to prevent a person developing TB is ....
- 2. Antibiotic resistance is passed from one generation to the next
- 5. flexible supporting material containing a high proportion of collagen fibres
- 6. early breast milk called .... has a high concentration of antibodies belonging to the class Immunoglobulin A
- 9. tissue which is capable of contraction but which is not under voluntary control.
- 10. Human Immunodeficiency virus
- 12. The non self materials on the surface of all these cells act as non self materials....
- 13. If a person is able to resist the effects of a pathogen does not become ill