Infectious Diseases

4. Secrete antibodies and kills infected cells in the body
5. The actions of structures/substances that are naturally present
9. Helps the immune system fight off infectious diseases
12. The number of people with the disease
15. The widespread of an infectious disease throughout a community
17. Viruses, bacteria, and fungi are ______
18. Can not survive without a host, they are extremely small, and most cause diseases
20. Your first name

1. Disease that spreads through humans and animals
2. Single-celled organisms that can survive on their own, a small percentage being able to cause diseases
3. The study of the outbreaks of diseases and their effects
6. The estimated number of the newly effected in a specific time frame
7. Fight off bacteria, viruses, and cancers
8. The widespread of an infectious disease throughout a whole country or world
10. The ability of the body to find and destroy pathogens
11. Immunity that occurs in response to exposure to a particular antigen
13. Where the germs live
14. The ability of an organism to inflict cause a disease
16. How germs get around
19. Disease that results from an infection transmitted to humans/animals by blood-feeding arthropods