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Immune System
review
22
Biology
10th Grade
06/02/2012

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Cards

Term
koch's postulates
Definition
describes how pathogens are proved
Term
reservoir
Definition
source of pathogen in natural environment
Term
endemic
Definition
small number of pop infected
Term
antigen
Definition
protein marker
Term
antibody
Definition
produced by B cells and binds to antigens
Term
lymphatic system
Definition
filters blood and lymph fluid
Term
lymphatic system
Definition
filters blood and lymph fluid
Term
helper t cells
Definition
finds killer t cells
Term
allergies
Definition
immune response to an environment antigen
Term
autoimmunity
Definition
when body recognizes own proteins as antigens and attacks your own cells
Term
virus
Definition
dna or rna code, have to take over host cell
Term
retroviruses
Definition
use reverse transcipt to copy genetic code in host DNA
Term
immunization
Definition
exposes yourself to dead or weak viruses so you get immune to them
Term
lysis
Definition
cell explodes spreading virus to other cells
Term
leukocytes
Definition
move through lymph fluid, carry parts to lymph nodes looking for infections
Term
phagocytes
Definition
swallows any invaders
Term
lymphocytes
Definition
helps body remember what infecting virus looks like
Term
inflammation
Definition
comes from blood flowing to infection
Term
killer T cells
Definition
kills any infected cell
Term
B cells
Definition
release anitbodies that blocks virus from infecting cell
Term
memory cells
Definition
B and T cells that stick around to remember virus
Term
immune response
Definition
leukocytes find B and T cells that fought infections
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