Immunity || lymphoid organs || primary and secondary innate /natural immunity

Primary lymphoid organ is -

Primary lymphoid organs are

Innate Immunity

The primary lymphoid organs are

Name primary and secondary lymphoid organs.

Name the primary and secondary lymphoid organs.

Antigen antibody reaction || primary and secondary immune response || active and passive immunity || vaccination || autoimmune allergic and immune dficiency diseases || grafting and transplantation

The primary lymphoid organ in

Phagocytes of innate immunity are