The structure of man. The intestine and its functions

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2018-03-19 00:55:23

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structure of a human intestine

At the anatomy lesson the students study in detail the structure of the human gut in the pictures. This is not surprising because the body is not only the last link in the digestive system that provides output of food, but also performs a number of critical human body functions. So, it supplies the necessary nutrients, provides human immunoglobulins. The total length of the intestine is about 7-8 m. This size of on not surprised people who have studied human structure. The intestine is divided into separate sections that have their own special (though similar) structure and functions.

Guts

Immediately from the stomach is the so-called small intestine. Its total length is 4-5 m, but it is located inside the abdominal cavity loops. The small intestine is divided into  the duodenum, longitudinal and skinny intestine. At the beginning of the small intestine is approximately 3-4 cm in diameter, and at the end of 2-2,5 cm Duodenum contains special hole - outs for ducts of the gallbladder and liver. Nature has taken care of the correct structure of the person. The intestine through this can easily break down carbohydrates, fats, and proteins. Per day the human body produces about 3 liters of alkaline intestinal juice, which helps with digestion. the structure of human intestinesThe structure of the human intestine involves the presence of a peculiar villi inside the small intestine. They contain small lymphatic and blood vessels, which are absorbed minerals, vitamins and other essential nutrients.

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A Special emphasis should be laid on the protective functions of the small intestine. It concerns not only the elaboration of immunoglobulins, but also protect people from poisoning. The thing is that the walls of the intestine contain lymph nodes, which neutralize toxic substances.

Large intestine

Conclusion undigested food helps provide the perfect structure of a person. The intestine plays in this process a key role. The Department entrusted with this important mission, called fat. It consists of three parts: blind, colon and rectum. The total length of 1.5 m. the First of them continues the tube of the small intestine, but between them is placed a valve which prevents the return of food back. The total length of the cecum - 8 seethe structure of human intestines in pictures It contains very small (0.5 cm) of the Appendix, called Appendix. In its walls there is a large number of lymph nodes, and he is a natural antimicrobial barrier. In the Appendix to multiply Escherichia coli is an important component of the immune system. When removal of the Appendix is violated the structure of the human intestine thus ceases to fully protect the body. Problems can occur with the immune system.

Video and the rim of the gut

The Intestine contains gut rim in which are formed stool. Unlike thin, it does not contain villi. It has more mucus that helps fecal masses easily move on to the next Department - the rectum. This site is not quite direct, because it contains the expanded portion called the ampulla. The intestine ends with the transition of the rectum to the anal canal. Stool frequency depends on many factors, but in normal condition it is 1 every 2-3 days, or daily.


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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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