Which of the following is a primary lymphoid organ?
a. adenoids
b. appendix
c. Peyer's patches
d. thymus
e. tonsils
Answer: d. thymus
Which of the following is a primary lymphoid organ?
a. adenoids
b. appendix
c. Peyer's patches
d. thymus
e. tonsils
Answer: d. thymus
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.