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1. | Markers on all cells that tell the immune system if the substance is a foreign invader or harmless is called an _________________. |
2. | vaccines contain dead or weakened _________ or pathogens. |
5. | A failure to maintain homeostasis will usually result in_______. |
6. | Dead or weakened pathogens that stimulate the immune response. The white blood cells produce __________. |
7. | Tags the antigen to tell the white blood cells to attack a pathogen are called _________________. |
9. | People with AIDS are unable to fight various infections because the virus that causes AIDS _____________ their immune system. |
12. | __________________ are medications that kill bacteria in your body. |
13. | The human immune system fights infection by releasing _________________ |
14. | The human immune system fights infection by releasing _______________. |
15. | Pathogens can be called _____ because they are microscopic living things. |
20. | a disease thats caused by a virus and weakens the immune system |
21. | A medicine given to individuals with a bacterial infection is called ____________________. |
23. | when the immune system has an allergic reaction and attacks a transplanted organ, they are both attacking __________ substances. |
25. | when the body produces antibodies in response to a foreign antigen. (2 Words) |
27. | identify the human system that is responsible for this sensitivity to bee stings |
28. | both antibodies and antigens have a specific _____ |
29. | ________ are microbes that enter the body and cause disease. |
31. | both allergens and transplanted organs have _____ antigens |
34. | Certain microbes, cancer cells and harmless substance can all promote an immune response because they all contain ________________. |