asked 148k views
3 votes
1. "Anything that triggers an immune response" is the definition of which immune system term?

a macrophage

a cytokine

an antibody

an antigen

1 Answer

6 votes
An antigen. Definition: A toxin or other foreign substance that induces an immune response in the body, especially the production of antibodies.
answered
User Brendon Randall
by
7.9k points
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