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Human Physiology (UPCAT-Dental)

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Multiple Choice

In human beings, a primary lymphoid organ is a place where immune cells of the body develops and matures to the stage at which they are able to respond to a pathogen. Which one of the following is/are primary lymphoid organ(s) of the human body?

  1. Lymph nodes
  2. Spleen
  3. Peyer's patch
  4. Tonsils
  5. Thymus