The toxic substances produced by the foreign bodies are known as
Antibodies
Allergens
Antigens
Histamine
It’s obvious.
Definitions / Explanation : Pathogen & Immunity
What are pathogens ?
Choose the true statements
$I.$ Innate immunity is accomplished by providing different types of barriers
$II.$ Acquired immunity is present from the birth and is inherited from parents
$III.$ Sweat, tears, acid in the stomach and saliva prevent microbial growth
Given below the diagrammatic representation of lymph nodes
Label $A, B$ and $C$
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