Question

How are the primary and secondary immune response carried out in the human body? Explain.


class 12th CBSE Biology sample paper

Answer 1

The primary response is the first response of our immune system to a newely introduced foreign agent , while a second intensified immune response to same foreign agent in secondary response/

Immune response are produced by two types of lymphocytes .

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B-Lymphocytes: These produce an army of proteins in response to pathogen, i.e, antibody in the blood. The different types of antibodies secreted are IgA, IgM , IgE , IgG.

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T-Lymphocytes are the mediators of the cell-mediated immunity (CMI).

the response generated via antibodies of the immune system is also called humoral immune response