The lymph organ that programs T cells and functions at peak levels only during youth is the:
A) thymus
B) spleen
C) appendix
D) tonsils
E) Peyer's patches
Answer: A
The lymph organ that programs T cells and functions at peak levels only during youth is the:
A) thymus
B) spleen
C) appendix
D) tonsils
E) Peyer's patches