Primary Lymphoid Organs Quiz

Lymphoid Organs

• The thymus gland is considered a primary lymphoid organ.
• The main function of the thymus gland is to develop and mature immune cells called T-lymphocytes.
• The bone marrow is also a primary lymphoid organ, responsible for producing and maturing immune cells called B-lymphocytes.
• The spleen, lymph nodes, and lymphoid tissues are secondary lymphoid organs, which filter the blood and lymph to trap pathogens and activate immune responses.
• The liver is NOT a primary lymphoid organ.

Test your knowledge about primary lymphoid organs and specifically the thymus gland with this quiz. Learn about the main function of the thymus gland and identify which organs are considered primary lymphoid organs. Challenge yourself to find the organ that does not belong to this category.