Question

multiple choice question
the thymus _______ after puberty.
disappears
widens
grows
shrinks

Explanation:

The thymus is an important part of the immune - system. After puberty, it undergoes involution and gradually shrinks as its main function of maturing T - lymphocytes during early life stages is less critical. It does not disappear completely, nor does it widen or grow.

Answer:

D. shrinks