Given below are two statements:
- ABone marrow is the main lymphoid organ where all blood cells including lymphocytes are produced.
- BBoth bone marrow and thymus provide micro-environments for the development and maturation of T-lymphocytes.
Solution & Step-by-step Explanation
Both statements are true. Bone marrow is the primary site of production. While all lymphocytes originate in bone marrow, T-lymphocytes migrate to the Thymus for maturation. Both organs provide the necessary micro-environment.