Chapter 5 Vocab

5. A condition in which the body reacts to injury, irritation, or infection; characterized by redness, heat, pain, and swelling.
6. A fluid created by infection.
9. Spiral or corkscrew-shaped bacteria that cause diseases such as syphilis and Lyme disease
11. A bloodborne virus that causes disease and can damage the liver.
12. The invasion of body tissues by disease-causing pathogens.
13. Caused by or capable of being transmitted by infection.
14. Capable of destroying viruses.
15. An item that is made or constructed of a material that has no pores or openings and cannot absorb liquids.

1. Various poisonous substances are produced by some microorganisms (bacteria and viruses).
2. Harmless microorganisms that may perform useful functions and are safe to come in contact with since they do not cause disease or harm.
3. The ability of the body to destroy and resist infection. Immunity against disease can be either natural or acquired and is a sign of good health.
4. Any organism of microscopic or submicroscopic size.
7. A contagious skin disease that is caused by the itch mite, which burrows under the skin.
8. Harmful microorganisms that can cause disease or infection in humans when they invade the body.
9. Also known as sanitizing; is a chemical process for reducing the number of disease-causing germs on cleaned surfaces to a safe level
10. The process that completely destroys all microbial life, including spores.