Immune System Timeline

By Trevon123

  • First Step

    First Step
    Person eats a food that can cause an allergic reaction.

  • Fourth Step

    Fourth Step
    Allergen and antibodies bind together and a signal is sent out to the body to release histamine.

  • Second Step

    Second Step
    The body creates an antibody the protein that finds the food to be harmful.

  • Third Step

    Third Step
    The antibody attaches itself to the cells in tissues found all over the body in case the allergen enters the body again.

  • Fifth Step

    Fifth Step
    Histamine causes irritation and complications with breathing and swelling of certain parts of the body.

  • Sixth step

    Sixth step
    Person develops hives, shortness of breath, anaphylaxis, or even death.