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Everyday Science Medium fpsc

Which organ produces antibodies to fight infections?

  • A Platelets
  • B Bone marrow
  • C Red blood cells
  • D White blood cells
Correct Answer: Option D — White blood cells
Explanation:
White blood cells, particularly lymphocytes, produce antibodies that identify and neutralize pathogens like bacteria and viruses. They form ...
Submitted by: PaperMCQs
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