- An unsuspecting person eats food that contains nasty bacteria or toxins (poisons).
- The stomach lining becomes irritated by the intruders.
- The irritated lining sends signals to the “vomiting centre” of the brain.
- The person feels sick and makes for the nearest toilet. quickly.
- The abdominal muscles contract and squeeze the stomach.
- Soupy food is forced up the oesophagus and out of the mouth. yuck!