Peritoneum membrane if the appendix is ruptured it can cause the infection to spread and can lead to death if not treated quickly or properly.
Drink at the hall fountain each time they pass through.
Have a big cup of water at lunch.
Drink more water on the way to practice.
Don't skip the water breaks; Drink when it's encouraged by the coach.
I'm going to use the US government organization with such authority. The FDA or Food and Drug Administration has the power to recall food or drugs that pose a health risk to the population. This is usually the minimum upper power after the company, which will usually initiate so as to keep from litigation.