Where are $B\,-$ cells and $T\,-$ cells formed ? How do they differ from each other ?
Why is an antibody molecule represented as $H_2I_2$ ?
Lymphocytes are seen in large numbers at sites of inflammation because
Given below are two statements :
Statement $I:$Autoimmune disorder is a condition where body defense mechanism recognizes its own cells as foreign bodies.
Statement $II:$Rheumatoid arthritis is a condition where body does not attack self cells.
In the light of the above statements, choose the most appropriate answer from the options given below:
Which of the following is an autoimmune disorder?