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

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

T-cells are derived from bone marrow stem cells and differentiate into immunocompetent cells in the thymus.