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Which structures 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 please help me !!!!!
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Which structures 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

please help me !!!!!

User Schack
by
7.5k points

1 Answer

3 votes
“A” white blood cells. They are the first line of defense against pathogens. They help protect your body and help the pathogens to not spread.

I hope this helps!
~kaikers
User Pynexj
by
8.2k points
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