Across
- 3. Tiny single-celled organisms, some which can cause disease
- 4. A substance usually prepared from killed or weakened pathogens or from genetic material and that is introduced into a body to produce immunity
- 5. An inflammation of the liver
- 8. A change that a person notices in his or her body or mind and that is caused by a disease or disorder
- 10. Tiny disease-causing particles made up of genetic material and a protein coat
- 11. A network of vessels that carry a clear fluid called lymph through the body (two words)
- 13. Any disease that is caused by an agent that has invaded the body (two words)
- 14. A blood cell whose primary job is to defend the body against disease (three words)
- 15. Organisms that absorb and use the nutrients of living or dead organisms
Down
- 1. A condition in which bacteria can no longer be killed by a particular antibiotic (two words)
- 2. A bacterial infection of the digestive system usually spread by eating contaminated food
- 6. A reaction to injury or infection that is characterized by pain, redness, and swelling
- 7. An inflammation of the membranes covering the brain and the spinal cord
- 9. Any agent that causes disease
- 12. An inflammation of the intestine causing an ameba (two words)