Myasthenia gravis is due to
Auto-antigens
Antigens
Toxins
Interferons
The immune system which works against self is
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 :
$T$- Lymphocytes originate from
The toxic substances produced by the foreign bodies are known as
When an organ is transplanted and is rejected by the body, the lymphocytes are produced by