Match the following:

A) IgE
B) IgG
C) IgA
D) IgD
E) IgM

1) Main antibody of both primary and secondary immune response.
2) Protects mucosal barriers.
3) Involved in allergies.
4) Along with IgM, this is a B cell receptor.
5) Activates complement.


1) B) IgG
2) C) IgA
3) A) IgE
4) D) IgD
5) E) IgM

Anatomy & Physiology

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Which of the following is true regarding the nervous and endocrine systems?

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Anatomy & Physiology