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 vi. Water content—99.45% vii. Total [...]
In this article we will discuss about:- 1. Methods to Study Gastric Secretion 2. Phases of Gastric Secretion and their Regulation 3. Factors 4. Depressants 5. Other Hormones 6. Tests for Gastric Secretory Function in Man. Methods to Study Gastric Secretion: There are several methods available in experimental animals and in man to collect gastric juice, enabling us to study [...]
In this article we will discuss about the parts of human respiratory systems. Nose: a. Hairs are present in the nasal cavity. These hairs serve to filter the air that is entering the respiratory system. Any particle whose size is more than 6 µ gets filtered in the nose. b. The mucous membrane of the nose is highly vascular. As [...]