Question

multiple select question
select all that apply
choose all that are primary lymphatic organs.

spleen
lymph nodes
tonsils
red bone marrow
thymus

Explanation:

Primary lymphatic organs are where lymphocytes originate and mature. Red bone marrow is where B - lymphocytes mature, and the thymus is where T - lymphocytes mature. Spleen, lymph nodes, and tonsils are secondary lymphatic organs (involved in filtering and immune response but not primary for lymphocyte maturation).

Answer:

D. Red bone marrow, E. Thymus