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____________ is in exocrine gland secretions (breast milk, saliva, tears) and defends against bacteria and viruses. ____________ is found in plasma and activates complement and reacts with blood cells during transfusions. ____________ is found on the surface of most B lymphocytes and functions in B cell activation. ____________ is found in exocrine gland secretions and promotes allergic reactions.

Respuesta :

Answer:

IgA, IgM, IgD, IgE.

Explanation:

Antibodies are known as proteins that are produced and secreted by B-cells. They help to bind foreign substances that invade the body, for example, pathogens. The "antibody" term refers to its function, which is to bind with an antigen. This protein molecule is also known as immunoglobulin.

Body fluids attack and destroy specific antigen-bearing particles or antigens through antibody-mediated immunity. There are 5 types of antibodies are present:

1) IgA

2) IgM

3) IgD

4) IgE

5) IgG.

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