Across
- 5. a condition that occurs when pathogens in the body multiply and damage body cells
- 11. a reaction to tissue damage caused by injury or infection
- 12. scarring of the liver
- 14. the yellowing of the skin and eyes
- 15. disease out break that effects many people in the same place and at the same time
- 16. a protein that acts against a specific antigen
- 18. an infection of the lungs in which the air sacs fill with infection and other fluids
- 20. a state of being protected against a particular disease
Down
- 1. a global out break of an infections disease
- 2. communicable diseases whose occurrence in humans has increased within the past 2 decades or threatens to increase in the near future
- 3. a preparation of dead or weakened pathogens that are introduced into the body to stimulate an immune response
- 4. the passage way that makes breathing possible
- 6. the lining of various body cavities including the nose ear and mouth
- 7. a piece of genetic material surrounded by a protein coat
- 8. a disease that is spread from one living organism to another through the environment
- 9. substances that can trigger an immune response
- 10. single celled microorganisms
- 13. an organism that carries and transmits pathogens to humans or other animals
- 17. a network of cell tissues organs and chemicals that fight off pathogens
- 19. substances that kills or interfere with their functions
