i don't know two but one is that the stomach mucus protects it from eating itself BTW stomach mucus is remade every 2 weeks
The stomach contains gastric juices for chemical digestion.
Stomach digestive juice is quite acidic.
hydrochloric acid
I suppose that the reaction between fruit/vegetables juices and hydrochloric acid from the stomach are not so important. Juices can increase the acidity in stomach.
stomach
acid
pH of stomach juice is between 1 and 2.
yes because it is found in the stomach
Hydrochloric Acid
Hydrochloric acid
Stomach acid is hydrochloric acid. Citric acid in lemon juice and acetic acid in vinegar alone or in combination are not nearly as strong as hydrochloric acid.
Gastric Juice