Stomach the small intestine, where the extraction of nutrients begins. Depending on the quantity and contents of the meal, the stomach will digest the food into chyme within anywhere between forty minutes and a few hours. The average human stomach can comfortably hold about a litre of food. Gastric juice in the stomach also contains pepsinogen. Hydrochloric acid activates this inactive form of enzyme into the active form, pepsin. Pepsin breaks down proteins into polypeptides. Although the absorption in the human digestive system is mainly a function of the small intestine, some absorption of certain small molecules nevertheless does occur in
Acetic acid (medical use) 25 USD. Acetic acid is more commonly used for external ear infections in the developing world than the developed. Acetic acid may be applied to the cervix to help detect cervical cancer during screening in many areas in the developing world. Acetic acid is applied to the cervix and if an area of white appears after about a minute the test is positive. Acetic acid (medical use) Acetic acid, which at low concentrations is known as vinegar, is used as a medication to treat a number of conditions. As an eardrop it is used to treat infections of the ear