An ulcer is like a sore on the lining of the stomach caused by the acid used to digest food eating through the protective surface which normally stops the acid digesting our own stomachs.
stars are used for navigation...like polaris , ulsa minor and many others....
salsa dancing became famous when, this man named henreio ulsa invented it in the 1700's.
you need to get it checked up immediately, it could just be an ulsa but it could also be something serious like gum disease or a tuma.
stomach acid is already in your stomach...
The stomach the stomach the stomach's job is to churn and mixed and digest food until it's a liquid.
Stomach
In Canada you spell 'stomach' ... stomach.
Fish that have a stomach, generally secrete stomach acid (HCl). However, not all fish have a stomach. For example carp have no stomach and thus no stomach acid secretion.
The stomach stretchy muscular sac holds food.
Hydrochloric acid of the stomach would have a pH of ~ 2.
The stomach
Chyme is created in the stomach through the mixing of food with gastric juices containing hydrochloric acid and digestive enzymes. This semi-liquid mixture is then passed into the small intestine for further digestion and absorption of nutrients.