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Which of the following are part of the body’s first line of defense against pathogens? a.white blood cells b.red blood cells c.lymph nodes d.mucous membranes
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Which of the following are part of the body’s first line of defense against pathogens?

a.white blood cells
b.red blood cells
c.lymph nodes
d.mucous membranes

User Mcsoini
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1 Answer

2 votes
white blood cells or WBC is responsible to fight against pathogens. also WBC known as soldier of the body.
User Fthiella
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