NUTRITION
DIGESTIVE SYSTEM
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
Stomach
|
|
Liver
|
|
Pancreas
|
|
Gall Bladder
|
Detailed explanation-1: -Parietal cells within the stomach lining secrete hydrochloric acid that lowers the pH of the stomach. A low pH (1.5 to 2) activates pepsin. Acetylcholine, gastrin, and histamine stimulate the proton pump in parietal cells to release hydrogen ions and decrease pH.
Detailed explanation-2: -The cells responsible for producing the HCl in the stomach are the parietal cells. It helps in the production of hydrochloric acid and certain enzymes that aid in the process of digestion of food.
Detailed explanation-3: -Acid is secreted by parietal cells in the proximal two thirds (body) of the stomach. Gastric acid aids digestion by creating the optimal pH for pepsin and gastric lipase and by stimulating pancreatic bicarbonate secretion.