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

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

Antibodies

Antibodies are proteins produced by the immune system to recognize and neutralize foreign objects like bacteria and viruses.

Pathogens

Pathogens, including bacteria, viruses, fungi, and parasites, are organisms or viruses capable of causing disease in their host.

IgA

Immunoglobulin A, a type of antibody that plays a crucial role in the immunity of mucous membranes.