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Fight a Cold Flow chart Rachel Secchio - Sick person Sneezes (immun system…
Fight a Cold Flow chart Rachel Secchio - Sick person Sneezes
millions of viruses
inhaled
by another person
first line defense
barriers foreign substances
includes
skin, mucus membranes, mucus
some pathogen permeate
through
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the bodies
releases
mucus
traps foreign particles
before entering lungs
pathogens
bacterium/virus: causes disease
immun system
B-Cell in lymph
some become
memory cells
produce antibodies rapidly
to recognize the virus
different receptor proteins
certain b-cell bear
with the virus
when virus binds
b-cell engulf
virus in lysosome
enzymes digest virus
then
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plasma cell
rebuild immune system
produces immunoglobulin antibodies