when it an infection or something gets past the first immune response then your body uses a different response
or after immunisation
Secondary Immune Response is more rapid.
Well...
the secondary immune response is faster and stronger than the first. the primary response also takes a few days to react with the antigen whereas the secondary immune response reacts faster to an antigen.
Memory cells
memory cells
The secondary immune response occurs after an antigen that has already been encountered reappears. For example, if someone had recovered from the flu and later encounters the same strain of that virus, antibodies that were made specifically for that antigen will rise dramatically with almost no lag perod.
Primary Immune response: 1) Smaller Peak Response 2) Usually IgM>IgG 3) Lowere average Antibody Affinity Secondary Immune Response 1) Larger Peak Response 2) Relative increase in IgG and under certain situations in IgA or IgE ( Heavy Isotype switching) 3) Higher Average Antibody Affinity ( Affinity Maturation)
The immune cell that allows for subsequent recognition of an antigen resulting in a secondary response is called a memory cell. Memory cells are small, long-lived lymphocytes.
The class of immunoglobulin that is produced in the primary immune response is Immmunoglobulin M (IgM). On secondary exposure, the class that predominates would be Immunoglobulin G (IgG).
B-cells differentiate into plasma cells and memory cells in the primary immune response. The memory cells then produce antibodies.In the secondary, memory cells created in the primary differentiate into plasma cells and secrete antibodies immediately. This is a much faster response, explaining why the secondary response causes a person to suffer less or unnoticeably.
An innate immune response is something that you are born with, while an acquired immune response is something that your body gains throughout life...
When a person inhales cigarette smoke or certain other irritants, his or her immune system responds by releasing substances that are meant to defend the lungs against the smoke