Examlex
Which statement best describes children who lack classification?
Antigen
A substance that, when introduced into the body, triggers an immune response.
Antibody
A protein produced by the immune system to identify and neutralize foreign objects like bacteria and viruses.
Antibody
A protein produced by the immune system that recognizes and binds to foreign substances (antigens) to neutralize them.
Antigen
A substance that when introduced into the body stimulates an immune response, especially the production of antibodies.
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