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Unit 9 LE Vocab

Immune System

TermDefinition
White Blood Cell cells in the blood that fight infections by doing phagocytosis or making antibiodies
Antibody protein that is made by white blood cells that fits with an antigen on a pathogen to tag it for destruction
Antigen "ID tag" on all cells. Our immune system recognizes ours and attacks any that are "foreign"
Transmission how a disease is spread
Infection when pathogens breach the lines of defense of the immune system
HIV virus that kills white blood cells
AIDS disease caused by the HIV virus
Infectious Disease disease caused by a pathogen
Immunity the ability to be exposed to a pathogen and not get sick from it
Passive immunity temporary immunity from receiving someone else's antibodies
Active immunity long term immunity from making your own antibodies
Specific Immune Responses immune responses that are designed to beat a certain pathogen; the third line of defense
Nonspecific Immune Responses immune responses that treat all pathogens the same way. Includes both the first and second lines of defense.
1st line of defense barriers, like skin, and secretions, like mucus
2nd line of defense phagocytic white blood cells, inflammation, blood clotting, fever
Cilia little hairs that sweep materials out of the respiratory system
Phagocyte white blood cell that engulfs pathogens
Inflammation/Inflammatory Response response that allows white blood cells to go to an area of infection; causes redness, pain, swelling
Herd Immunity resistance to the spread of an infectious disease within a community due to a large number of individuals being vaccinated or naturally immune to a disease
Function of the immune system recognize, disable, and destroy pathogens and remember them in the future
Pathogen disease-causing agent
Vaccine injection of a dead or weakened virus
Created by: nldenissoff
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