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HOW DOES THE BODY
RESPOND TO AN
ANTIGEN?
When a foreign body enters the human body we have 2
immune response systems that act in order to destroy the
pathogen, these are:
Specific response- immunity is acquired through exposure to
a foreign body also known as acquired immunity, when a
foreign body enters the body, a specific cell/antibody will
attack the foreign body
Non-specific response- is the first line of defense and
involves the immune system immediately reacting to destroy
any foreign body…read more

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Antigen Lysosomes
Skin or Mucous membrane
Immune
response
Specific Non-Specific
T- Cells Interferon's
B-Cells
(virus) Inflammation Phagocytosis
(antibodies)…read more

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INFLAMMATION...…read more

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Damage to a barrier e.g. skin,
so pathogens/foreign body
enter, with antigens present on
their surface…read more

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v
v
Mast cells produce
Histamines
v
v
v
v v
v v
v…read more

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