Anti Bodies
A secondary antibody is an antibody that

has been used in prior experiments
is synthetically produced
is produced in boostered animals
binds to another antibody

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Anti Bodies
The main function of antibodies is to

chemically combine with the antigen which induces it, inactivate the antigen and protect the body from disease
kill all the foreign bodies
protect the circulatory system
generate antigens, thus conferring immunization

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