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MMS Disease
Key terms for disease unit
| Question | Answer |
|---|---|
| virus | The smallest and simplest pathogen (something that causes disease). Viruses are NOT alive. Examples: flu, ebola, chicken pox, cold |
| bacteria | simple 1-celled organism that is not always harmful Examples: strep throat, pink eye |
| fungi | More complex than bacteria but cannot make their own food (not a plant) Examples: ringworm, athlete's foot |
| protozoa (protist) | one-celled organism more complex than bacteria Examples: malaria, dysentery |
| pathogen | something that causes disease |
| infectious | disease that can be passed from one person to another by spreading germs |
| disease | a breakdown in structure or function of a living organism |
| epidemiologist | a scientist who maps spread of disease through a population |
| carriers | a PERSON who spreads a disease but does not get sick from the disease themselves |
| vector | an organism (NOT a person) that spreads disease usually without getting sick themselves Examples: Mosquitos, rats, fleas |
| Cell Theory | The idea that cells come from other cells, all living things are made of cells, and cells are the basic unit of life. This idea came from several scientists - Schwann, Schleiden, and Virchow. |
| Germ Theory | Specific diseases are caused by specific germs |
| Immune System | A system of our body that protects us from infection and disease |
| Disease | anything that causes the body to not function properly |
| Communicable disease | A pathogen caused disease that can spread to other people |
| germs | micro organisms, some of which cause diseases |
| antibodies | created by the immune system to fight and kill diseases that enter the body |
| antigen | part of a pathogen (invader in the body) that tells the body to attack and kill the pathogen |
| antibiotic | a chemical that kills BACTERIA |
| lymphatic system | the secondary circulatory system in the body that allows parts of the immune system to move around the body |
| infection | when pathogens get into the body and multiply |
| inflammation | redness, swelling, and sometimes heat around an injured part of the body |
| vaccine | A shot given to PREVENT a disease |