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2. Gastric acid - Wikipedia

   en.wikipedia.org/wiki/Gastric_acid

   Gastric acid or stomach acid is the acidic component – hydrochloric acid of gastric juice, produced by parietal cells in the gastric glands of the stomach lining. With a pH of between one and three, gastric acid plays a key role in the digestion of proteins by activating digestive enzymes , which together break down the long chains of amino ...

3. Digestive enzyme - Wikipedia

   en.wikipedia.org/wiki/Digestive_enzyme

   Once in the stomach further mechanical churning takes place mixing the food with secreted gastric acid. Digestive gastric enzymes take part in some of the chemical process needed for absorption. Most of the enzymatic activity, and hence absorption takes place in the duodenum. [2] [3]

4. Phases of digestion - Wikipedia

   en.wikipedia.org/wiki/Phases_of_digestion

   Gastric activity involved in digestion is divided into three phases of digestion known as the cephalic phase, the gastric phase, and the intestinal phase. These phases overlap and all three can occur simultaneously. [1] A fourth phase of acid secretion is known as the basal state which occurs in the times between meals (interdigestive phase).

5. Human digestive system - Wikipedia

   en.wikipedia.org/wiki/Human_digestive_system

   Gastric acid, and the production of mucus in the stomach, are essential for the continuation of digestion. Peristalsis is the rhythmic contraction of muscles that begins in the esophagus and continues along the wall of the stomach and the rest of the gastrointestinal tract.

6. 26 Best & Worst Foods for Acid Reflux - AOL

   www.aol.com/26-best-worst-foods-acid-123058994.html

   Foods with water help dilute stomach acid, minimizing reflux. Meanwhile, watermelon carries plenty of antioxidants like lycopene, carotenoids, and vitamin C to put systemic inflammation in its ...

7. Digestion - Wikipedia

   en.wikipedia.org/wiki/Digestion

   Gastric juice in the stomach starts protein digestion. Gastric juice mainly contains hydrochloric acid and pepsin. In infants and toddlers, gastric juice also contains rennin to digest milk proteins. As the first two chemicals may damage the stomach wall, mucus and bicarbonates are secreted by the stomach.