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Which is involved in body defence?

  • A.Neutrophils
  • B.Macrophages
  • C.Lymphocytes
  • D.All the above

Answer: D

Correct answer: All the above

All three are white cells of the defence system: neutrophils are the first phagocytes to arrive at an infection, macrophages engulf and also present antigen, and lymphocytes carry the specific response. Between them they cover both the innate and the acquired arms.

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