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10 questions from this quiz
Physical barrier & antimicrobial secretions
Competes with bad microorganisms for space and nutrients
Hairs and mucus
Beat to waft mucus upwards to be swallowed
Hydrochloric acid
Engulfing and consuming pathogens
Antigen
Antibodies produced faster; you're immune
Alexander Fleming in 1921
Tears, saliva & mucus
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