The toxic substances produced by the foreign bodies are known as
Antibodies
Allergens
Antigens
Histamine
Differentiate the following and give examples of each:
$(a)$ Innate and acquired immunity
$(b)$ Active and passive immunity
Which one of the following statements is correct?
Myasthenia gravis is due to
Give scientific reasons : Autoimmune diseases are different from immune deficiency diseases.
Thymus is the site for the development and maturation of