Which of the following changes related to the immune system is likely to occur in a girl who has begun menstruating?
A) the concentration of dendritic cells in the body will gradually decrease
B) the spleen will function primarily as a hormone-producing organ
C) the lymph nodes will contain a high concentration of T cells
D) the thymus's function as a primary lymphoid organ will gradually decline
E) the bone marrow will produce large amounts of mature B lymphocytes

Question

Quizplus · Accepted Answer

The thymus is a primary lymphoid organ responsible for the maturation of T cells. Its function gradually declines after puberty because the production of new T cells decreases, and the existing ones start to age and die off. This decline is not necessarily triggered by menstruation, but rather by overall hormonal changes that occur during puberty.

Which of the Following Changes Related to the Immune System