Biology 10.01a

3. a single-celled living organism
5. a type of defense cell that is created and designed to destroy a specific intruder
8. (2 words?) a weapon made out of a disease, usually by terrorists
9. (2 words) where defense cells gather in the body to inspect potential intruders
14. (2 words) a disease that spread during 1918 and killed 4 times as many people as WW1
17. smaller than most microscopic organisms and cannot reproduce on its own
18. unable to be infected
21. when an infectious disease infects a large amount of people on multiple different continents
23. (2 words) a sickness caused by microscopic infection
24. the negative effects caused by a disease

1. (2 words) a layer of defense that is found in the nose and inside of your mouth
2. (2 words?) a term used to describe bacteria that does not cause disease
4. when an infectious disease infects a large group of people
6. (2 words) a disease that first became an epidemic during the 1300s and killed over 100 million people
7. the term for a type of disease that can infect humans and other animals
10. one of the body's first layers of defense against infection
11. (2 words) a disease that is NOT caused by microscopic infection, but instead caused by genetic makeup
12. something that is taken to test for a disease
13. (2 words) the body's natural defense against infections
15. multi-celled organisms that absorb nutrients from other organisms
16. the classification for organisms that absorb nutrients from organic matter, usually decaying
19. (2 words) a type of cell that patrols the body and sends a signal to larger cells when it finds an intruder
20. an animal that can spread a disease to other animals without showing symptoms of the disease
21. a microscopic invader
22. an organism that is infected