Lymphocytes interact with foreign antigens in (A) Bone marrow (B) Peripheral blood (C) Thymus (D) Lymph nodes
Lymphocytes interact with foreign antigens in
(A) Bone marrow
(B) Peripheral blood
(C) Thymus
(D) Lymph nodes
Answer
Answer: (D) Lymph nodes
Lymphocytes interact with foreign antigens primarily in the lymph nodes, where antigens are presented to them by antigen-presenting cells. The bone marrow is where lymphocytes originate, the thymus is where they mature, and peripheral blood circulates them.