Question

the site of t cell production is the:
a spleen
b thymus
c red bone marrow
d lymph nodes

Explanation:

T - cells are produced and mature in the thymus. The red - bone marrow produces precursor cells which then migrate to the thymus for further development. The spleen and lymph nodes are mainly involved in immune responses and filtering, not T - cell production.

Answer:

B. Thymus