Question

the red bone marrow and thymus are primary lymphatic organs. a true b false

Explanation:

In the lymphatic system, primary lymphatic organs are where lymphocytes are produced and mature. Red bone marrow is the site of B - cell maturation and production of blood cells including lymphocytes, and the thymus is the site of T - cell maturation. So the statement that red bone marrow and thymus are primary lymphatic organs is correct.

Answer:

A. True