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4 Cards in this Set

  • Front
  • Back

the immunity that results from the production of antibodies by the immune system in response to the presence of an antigen.

Active Immunity

Immune response to a viral infection

Adaptive Defense

are microorganisms that thrive in acidic environments where the pH level is less than 3

Acidophiles

A substance that when introduced into the body stimulates the production of an antibody

Antigen