Question
Biology Question on organs and structures
Which one of the following lymphoid organs is large at birth but reduces with age?
A
Bone marrow
B
Thymus
C
Spleen
D
Peyer’s patches
Answer
Thymus
Explanation
Solution
The thymus is a lymphoid organ that is relatively large at birth and plays a crucial role in immune function by maturing T-cells. However, it gradually decreases in size and activity after puberty, a process known as thymic involution.