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Transcript
Slide 3
Figure 14-12 An Overview of the Immune Response.
Cell-Mediated
Immunity
Adaptive Defenses
Antigen presentation
triggers specific
defenses, or an
immune response.
Phagocytes
activated
T cells
activated
Communication
and feedback
Antibody-Mediated
Immunity
Activated
B cells give
rise to cells
that produce
antibodies.
© 2013 Pearson Education, Inc.
Direct Physical and
Chemical Attack
Activated T cells find
the pathogens and
attack them through
phagocytosis or the
release of chemical
toxins.
Destruction
of antigens
Attack by Circulating
Antibodies