Across
- 1. ability to withstand a type of disease
- 3. to ptevent a person from getting a type of sickness such as TB
- 5. Cells secrete chemicals called cytokines
- 7. a flexible airway that is supported by cartillage
- 9. process by which large particles are taken up by cells, in the form of vacuoles
- 11. is a rigid, but flezible supporting matetial containing high fibres
- 12. the extent to which a pathogen is able to cause disease or damage
- 14. stimulate macrophage to engulf pathogens and dead and infected cells
- 15. is a tissue which is capable of contraction, but which is not undet voluntary control
Down
- 2. kill body cells that are infected by non self material
- 4. globular proteins also known as immunoglobulins
- 6. provide flexibility dyring ventilation
- 8. type of medicine such as penicillin
- 10. disease that is always present
- 13. have long, thin stems and rounded tops