Respuesta :

elenacorsan93

Answer:

True

Explanation:

  • First line refers tp the physical and chemical barriers of our body, skinn, mucus, tears, stomach acids, etc.
  • Second line is the non-specific immune responses, this line is formed by macrophages, neutrophils, etc
  • Third line is the specific immune responses done by the T Cells and B Cells, cells with memory.

I hope you find this information useful and interesting! Good luck!

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