Which of these antibodies is found in secretions of the body and prevents pathogens from entering the body?

Name: Which of these antibodies is found in secretions of the body and prevents pathogens from entering the body?
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Quizplus · Accepted Answer

IgA is the main type of antibody found in mucous membranes, including tears, saliva, and secretions of the respiratory, gastrointestinal, and genitourinary tracts. It plays a crucial role in the immune function of mucous membranes by preventing the entry of pathogens into the body.

Which of These Antibodies Is Found in Secretions of the Body