Small Intestine
Small Intestine
Small intestine: It is about 6 metre in length and 2.5 cm in thickness. There are three divisions of the small intestine: ‘duodenum’, ‘jejunum’ and ‘ileum’. Duodenum is the first part. It begins from the pyloric stomach and is C shaped. In the middle of the duodenum two different ducts open through a common aperture. One of the ducts is the common bile duct and the other is pancreatic duct. ‘Bile’ is a yellowish green alkaline juice is poured into the duodenum through the common bile duct.
Layers of small intestine: The small intestine is formed of four layers. The inner layer of intestine contains a large number of small finger like projections named as villi which helps in absorption.From inside to outside layers are mucosa, submucosa,muscularis and serosa.
Functions:
The longest organ of digestive system in human body ? | |||
| Right Option : C | |||
| View Explanation | |||
The small intestine is the longest part of the __________________ . | |||
| Right Option : B | |||
| View Explanation | |||
Which of the following are correct ? (a) Small intestine is about 6 metre in length and 2.5 cm in thickness. (b) Duodenum is the first part of small intestine . (c) In Small intestine the inside to outside layers are mucosa, submucosa,muscularis and serosa. | |||
| Right Option : D | |||
| View Explanation | |||
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