The Human Intestines – Functions, location, definition, anatomy, diseases

In anatomy, the intestine (or bowel) is the segment of the alimentary canal extending from the stomach to the anus and, in humans, consists of two segments, the small intestine and the large intestine. In humans, the small intestine is further subdivided into the duodenum, jejunum and ileum while the large intestine is subdivided into the cecum and colon.

The intestine is the portion of the digestive tract between the stomach and the anus. The food we eat is ‘digested in’ and ‘excreted out’ our bodies through our intestines.

The human body Intestines

Most food products are absorbed in the small intestine. The large intestine is responsible for absorption of water and excretion of solid waste material.

The intestinal tract can be broadly divided into two different parts, the small and large intestine. Grayish-purple in color and about 35 millimeters (1.5 inches) in diameter, the small intestine is the first and longer, measuring 6 to 7 meters (20-23 ft) long average in an adult man. Shorter and relatively stockier, the large intestine is a dark reddish color, measuring roughly 1.5 meters (5 ft) long on average. People will have different sized intestines according to their size and age.

Diseases of Intestines: Gastroenteritis, Ileus, Ileitis, Colitis, Appendicitis.

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