Across
- 2. a protein that acts against a specific antigen
- 4. a method which pervents pregnancy and infection
- 6. a microorganism that causes a disease
- 9. a condition that occurs when pathogens in the body multiply and damage body cells
- 11. a reaction to tissue damage caused by a injury or infection
- 12. a virus that attacks the immune system
- 14. single-celled microorganism
- 17. a communicable disease whose occurance in humans has increased within the past two diseases
- 18. a disease when your immune system is weakend
- 19. a state of being protected against a particular disease
Down
- 1. a disease thats is spreaded from one living organism to another or through the envirornment
- 3. a network of cells, tissues, organs and chemicals that fight off pathogens
- 5. the phychological desire for food
- 7. a process by which your body takes in and uses food
- 8. a preparation of dead or weakend pathogens that are introduced into the body to simulate the immune
- 10. a class of a chemical agent that distrays disease causing organisms to leave the patient unharmed
- 12. the natural physical drive to eat prompted to take the bodys need for food
- 13. organism that carries and transmits pathogens to humans or other animals
- 15. a substance that kills cells or interferes within functions
- 16. a tumor that grows slowly