Asked by David Church on Jul 17, 2024

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​Concentrated in body fluids,such as tears,saliva,and respiratory and gastrointestinal secretions,to guard the entrances of the body

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

IgA

Immunoglobulin A, a type of antibody found in mucous membranes and secretions like saliva, tears, and blood, playing a crucial role in immune defense.

  • Acquire knowledge about the purpose and activity of diverse antibodies in immune responses.
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HB
Hannah BraumJul 24, 2024
Final Answer :
A
Explanation :
IgA is primarily found in mucous membranes, saliva, tears, and other body fluids, playing a crucial role in mucosal immunity by preventing the entry of pathogens.