Across
- 5. the body's quick and non-specicic response to many types of pathogens
- 7. Includes enzymes like hydrochloric acid, pepsin, lysozyme, and sweat secretions.
- 8. engulfment & digestion of pathogens, foreign particles, and debris by white blood cells
- 11. macrophages, interferons & complement, inflammation, & fever make up the ______ ______ of defense.
- 13. increase in set point of body temperature by the hypothalamus in order to provide hostile environment to invading pathogens. Usually a temp of 100+ F.
- 16. A given species is resistant to infectious diseases that affect other species.
- 19. chemicals secreted by lymphocytes & connective tissue cells that block viral replication & slow tumor growth.
- 20. the body's specific immunity developed overtime after exposure to some pathogen.
- 21. low pH acid found in the stomach the kills pathogens
- 22. enzyme in tears that kills pathogens that land on eye.
Down
- 1. Skin, mucous membranes, and secretions on those structures provides the ______ ______ of defense
- 2. substance secreted by NK cells that destroys viral infected cells or cancerous cells by perforating the cell membrane.
- 3. symptom of inflammation that can be felt by the patient as inflammatory proteins in blood set off nociceptors in damaged or infected tissue.
- 4. sign of inflammation caused by increased blood flow & capillary widening that can be directly felt by other people
- 6. type of lymphocyte that defends the body against viruses & cancer. It secretes perforin to destroy affected cells.
- 9. sign of inflammation that can be seen as injured tissue increases in size due to increased blood flow into tissues.
- 10. enzyme in stomach that aids in killing pathogens by splitting proteins
- 12. along with monocytes, this type of WBC is the most active phagocytes.
- 14. examples include having intact skin & hair in the nose to trap pathogens.
- 15. group of proteins in body fluids that stimulates inflammation & enhances the process of phagocytocis of pathogens
- 17. sign of inflammation caused by increased blood flow and leaking into tissues. Can be directly seen. also called erythema
- 18. characterized by redness, swelling, heat, and pain it is the body's natural response to tissue injury or infection.
