Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.
Q: Question: Red bone marrow, tonsils, spleen, and thymus gland are considered organs of what system? Answer: lymphatic
A:
The lymph organs are the red bone marrow , tonsils , spleen , and thymus gland . They are described below ( Figure below ).