Thanksgiving
Across
- 1. a solution that contains a dead or weakened form of a pathogen used to help the body develop antibodies.
- 3. disease A long term condition that may not have a cure but can often be controlled.
- 8. An organism that is so small it can only be seen with a microscope.
- 9. A virus, bacteria, or other organism that causes diseases.
Down
- 2. A chemical substance used to kill or slow down the growth of bacteria.
- 4. disease An illness caused by a pathogen that is spread from
- 5. A submicroscopic particle that consists of a [protein coat and genetics.
- 6. activities that promote cleanliness and good health.
- 7. The body’s natural defense against infection.
- 10. theory Diseases are caused by microorganisms within the body.