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7thHumanBio-5-Sec1/2
7th Human Biology Chapter 5 Sec. 1&2
Question | Answer |
---|---|
pathogens | organisms that cause disease |
infectious disease | disease caused by the presence of living thing within the body |
toxin | poison |
inflammatory response | body's second line of defense |
phagocyte | white blood cells that engulf pathogens and destroy them |
immune response | body's third line of defense |
lymphocytes | white blood cells that distinguish between different kinds of pathogens |
T cells | identify path and distinguish one kind from another |
antigens | molecules that the immune system recognizes part of the ody or outside the body |
B cells | produce proteins that help destroy pathogens |
antibodies | proteins that destroy pathogens |
AIDS | acqired immunodeficiency syndrome |
HIV | the virus that causes AIDS |