nsnsnakaka nsnsnakaka
  • 19-01-2017
  • Biology
contestada

What is responsible for identifying foreign invaders and remains in the system for a long period of time.
A. Red blood cells
B. Axons
C.antigens
D.lymph nodes

Respuesta :

mkeenom
mkeenom mkeenom
  • 17-02-2017
The answer is D. Lymph nodes
Answer Link

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