Antibodies are produced by
Leucocytes
Lymphocytes
Erythrocytes
None of these
Given below the diagrammatic representation of lymph nodes
Label $A, B$ and $C$
Which of the following is a pentameric immunoglobulin and is produced first in a primary response to an antigen?
Lymph glands and nodes help to
What are pathogens ?
Interferons are