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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 |