The functions of saliva are: 1. Lubrication of food: Assisted by chewing, saliva gets mixed with food in the mouth; the mucin which is a sticky substance helps to form bolus. Saliva prepares the food for swallowing forming a slippery coat over the bolus. 2. Solvent action: Taste is a chemical sense. Any substance, the […]
Functions of Saliva | Human Physiology
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Small Intestine and Large Intestine (With Diagram)
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In this article we will discuss about the small and large intestine of digestive system. Small Intestine of Digestive System: Motility of Small Intestine: The movements of small intestine are brought about by the smooth muscle present in its wall. a. Wall of small intestine has an outer longitudinal and an inner circular layer. b. […]
Gastric Juice: Composition and Enzymes (With Diagram)
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In this article we will discuss about the composition and enzymes of gastric juice. Composition of Gastric Juice: i. Gastric juice is the secretion of gastric glands. ii. Total amount secreted: 1, 200-1.500 ml per day. iii. Night secretion (during sleep) alone is 400 ml/day. iv. Acidity of gastric juice: 40-60 mEq/liter v. pH: 0.9-1.5 […]
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