____ are all around us; they are generally present in the ____, on ____ food, refuse, the ____, animals, birds and insects. When they ____ in food or use food to get into the human body ____ may result. ____ are liquids that can sometimes get into food accidentally and can then make the consumer ill. The kinds that can get into food can be disinfectants, machine oil, insecticides, ____ and pesticides. ____ contamination is caused when something gets into foods that should not be there and may be one or more of a wide range of items such as glass, plastic, pen tops, paperclips, blue ____, hair, insects, animal feces and finger nails. ____ cause some people to react to certain food. Reactions include swelling, ____, rashes, breathlessness and may even cause ____ shock (a severe reaction often causing swelling of the throat and mouth that prevents breathing). Food intolerance is different and the immune system is not involved but there may still be a reaction to some foods. Foods usually associated with allergies and food intolerances are: nuts, dairy products, ____, eggs and shellfish.

How is food contaminated?

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