The intestine is a part of the digestive tract in which the absorption of substances takes place thanks to the enzymes contained in it.

The large intestine is divided into the cecum, ascending, transverse, descending and sigmoid colon, and the rectum.

The small intestine is divided into duodenum, jejunum and ileum.

Intestines interesting facts

1. The microorganisms found in the intestines are called the intestinal flora.

2. The area of ​​the intestines in an adult human is over 200 m² and is over 7 meters long.

3. From a scientific point of view, 2 meters of the small intestine would be enough for the normal functioning of the human body.

4. The small intestine is about 2.5 cm in diameter.

5. People who have lost a large part of their intestines have a chance to live a normal life. There are cases where an intestine 50 cm long has managed to grow back. However, the patient must use parenteral nutrition during recovery.

Added: Malwina

6. In some invertebrates, the gut is the entire digestive tract.

7. In carnivores there is a large difference in the structure and function of the intestines than in herbivores.

Added: Malwina

8. A doctor dealing with, among others intestines is a gastroenterologist.

Added: Ola

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Intestines questions and answers

Where are the intestines in humans?

The intestines are located between the stomach and anus.

Answer: Malwina

Why is the human intestinal surface so large, over 200 m²?

Because the intestinal walls are covered with tiny intestinal villi. There are about 30 of them per square millimeter.

Answer: Malwina

What are the intestinal villi for?

They grab the nutrients from the food.

Answer: Malwina

How is food digested in the small intestine?

The enzymes produced by the pancreas and bile from the liver break down proteins, fats and carbohydrates. Then the intestinal villi absorb nutrients.

Answer: Malwina

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