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The Immune System

By sadieb0505
  • A person eats a food allergen

    A person eats a food allergen

    A person eats a food allergen
  • Period: to

    The day of the immune system

  • An antibody attaches itself to cells once the food allergen is eaten

    An antibody attaches itself to cells once the food allergen is eaten

  • The antibody detects harmful substances and will be prepared when the allergen enters the body again.

  • The allergen re-enters the body

  • The allergen attaches to antibodies and sends out signals

  • The signals tell the body to send out histamine

    The signals tell the body to send out histamine

  • The histamine causes an allergic reaction

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