Answer:
The correct answer is bone marrow and thymus
Explanation:
Primary lymphoid organs are bone marrow and thymus. Both organs consist of primary lymphoid tissue where B and T cells are produced.
Lymphocytes are also complete the early phases of maturation in the primary lymphatic organs in the body. In humans, B cells are generated and mature in the bone marrow. However, T cells are produced in the bone marrow and maturation takes place in the thymus.
Thus, the correct answer is the bone marrow and thymus gland.
