Year 9 Immunity Crossword

4. type of cell that finds other cells to help
5. powerful medicines that treat bacterial infections
6. raises the body temperature to fight off infection
10. type of immunity that your body creates
11. type of white blood cell that engulfs pathogens
14. an organism that causes disease
15. type of cell able to kill viral pathogens by sending a death signal
16. type of immunity you receive from outside your body
17. type of cell that creates antibodies
19. when individuals who are not immune to a pathogen are protected from exposure

1. the main function of the immune system
2. the injection of dead or weak pathogens to acquire immunity
3. another word for white blood cell
5. protein marker on a cell that allows the body to identify self vs non self
7. cannot be treated with antibiotics
8. the process in which phagocytes destroy bacteria
9. type of cell that remembers encounters with pathogens
12. specific protein that tags and destroys infected cells
13. requires antibiotics to treat
18. the largest organism of the body. Also is part of the first line of defence