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7thHumanBio-5-Sec3/4
7th Human Biology Chap. 5 Sec. 3 & 4
| Question | Answer |
|---|---|
| immunity | bodies ability to destroy pathogens before they can cause disease |
| active immunity | when the body produces antibodies that fight the disease pathogens |
| vaccination | process where harmless antigens are deliberately introduced to produe active immunity |
| vaccine | substance used in a vaccination |
| antibiotic | chemical that kills bacteria or slows their growth without harming body cells |
| passive immunity | when antibodies are given to a person |
| noninfectious diseases | diseases not caused by pathogens in the body |
| allergy | disorder in which immune system is overly sensitive to a foreign substance |
| allergen | substance that causes an allergy |
| histamine | chemical responsible for symptoms of an allergy |
| asthma | disorder where respiratory passages narrow significantly |
| diabetes | the body fails to produce insulin or cell's fail to use insulin properly |
| tumors | abnormal tissue masses |
| carcinogens | substances in the environment |