contestada

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 !!!!!

Respuesta :

Kaikerscupcake
“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