Across
- 5. Contamination or invasion of body tissue by pathogenic organisms (I)
- 6. An organism that feeds on and steals energy from a living host (P)
- 7. overreaction of the immune system to an antigen or allergen (H)
- 10. Phase or time period between infection and appearance of symptoms (I)
- 12. The disappearance of signs and symptoms and a reestablishing of normal function (C)
- 13. The scientific study of how living things are classified (T)
- 14. a localized response to an injury or infection; Immune cells (blood) moves in, causing redness, swelling, warmth and pain (I)
- 15. substances that activate the immune system (A)
- 16. single-celled organisms that lack a nucleus (prokaryotes); cause disease by feeding the host and secreting toxins (B)
Down
- 1. nongreen, eukaryotic organisms that have no means of movement, reproduce by using spores, and get food by breaking down substances (F)
- 2. Classification system in which each species is assigned a two-part scientific name; Genus and species name (B)
- 3. tiny particles, smaller than bacteria and other pathogens, which must invade living cells in order to reproduce, causing tissue damage (V)
- 4. Immune cells mistakenly attack healthy parts of the body; Immune reaction directed against a person's own tissue (A)
- 8. the phase that is between the onset of symptoms and the time when the minimum criteria for a disorder are met; Mild symptoms (P)
- 9. phase when a person will experience the signs and symptoms of the disease when they are most severe (I)
- 11. Antibodies are finally produced --> signs, symptoms and the number of microorganisms begin to decrease (D)