The toxic substances produced by the foreign bodies are known as
’Pathogens' are also known as
provides passive immunity
Assertion: Artificially acquired passive immunity results when antibodies or lymphocytes produced outside the host are introduced into a host.
Reason: A bone marrow transplant given to a patient with genetic immunodeficiency is an example of artificially acquired passive immunity.
Given below are two statements :
Statement $I$ : Bone marrow is the main lymphoid organ where all blood cells including lymphocytes are produced.
Statement $II$ : Both bone marrow and thymus provide micro environments for the development and maturation of T-lymphocytes.
In the light of above statements, choose the most appropriate answer from the options given below :