In Canadian football, while only 12* players are playing on the field at once, teams need more than just 12* players. They must have an offensive and defensive team. Most highâ¦ school football teams have 1st, 2nd, and 3rd string players, so thirty to forty players is a reasonable number.
Gastroenteritis may result from ingesting chemical toxins (see Chemical Food Poisoning). These toxins are usually produced by a plant, such as poisonous mushrooms, or by certain kinds of exotic seafood and thus are not the product of an infection.
Flatulence: Gas buildup in the colon. Intestinal gas is typically caused by the fermentation of undigested food, such as plant fiber, in the colon. Gas can also form when your digestive system doesn't completely break down certain components in foods, such as gluten or the sugar in dairy products and fruit. Other sources of intestinal gas may include: 1  Food residue in your colon.  Changes in intestinal bacteria due to antibiotics or other medications.