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Digestive system. All you need to know



This digestive system begins in the mouth and ends in the anus. It is made up of an extensive tube of approximately; eleven meters, to which glands are associated. The function principal that is assigned, is to convert food into small usable particles for our body.

What organs belong to the digestive system?

Only through the mouth, stomach and anus, the digestive system is not composed. Although sometimes, these are the organs that are mentioned the most. TO continuation, a true list of all parts of said appliance will be displayed:


This, as everyone knows, is the first and its function is allow the input of nutrients.


It is a long tube with three narrowings. It allows, through peristaltic movements, to carry the food up to the stomach.


It has a certain resemblance to a bag and its functions are three, mixing, storage and emptying. In addition, it has four portions; the cardia, fundus, body, and pylorus.

Small intestine:

It is an elongated tube, about seven and a half meters in adults. It is arranged in the form of handles, the stomach is continued with it through the duodenum and then we have the jejunum and the ileum.

Large intestine:

On the other hand, this is, although shorter, being its length of one and a half meters, wider than the thin. Its function is to transport all the waste, reabsorb the water and eliminate the solids.

It also has several parts, the cecum first, where we find the vermiform appendix. This is continued with the colon upward, the transverse, the descending and at the end the sigmoid. Its last portion, obviously, is the rectum, where feces are stored until they are expelled to the outside.


It is an external organ, controlled by circular muscles that allow the relaxation of the anal sphincter and with this, the passage of feces.

In addition to the organs of the digestive system, there are two very important attached glands:

Pancreas: it is retroperitoneal and is related above, with the stomach. Among its functions we find the release of hormones such as insulin and glucagon, of great relevance in the metabolism of food.

On the other hand, it is also responsible for ecbolic and hydrolytic secretion, in both enzymes capable of breaking down carbohydrates are released, acids, fats and proteins.

Liver: This, for its part, has numerous and important functions, among the main ones we have the production of bile by the gallbladder. This component contributes to the digestion and absorption of fats and eliminates excess cholesterol.

Functions of the digestive system

Although, in this apparatus, each organ and gland has its own task, it in turn acts as a whole. Their main function is the transport of food substances, solid and liquid throughout the entire tract.

They also allow the mechanical and chemical decomposition of nutrients inside the body. After this has occurred, the body will take whatever need to your satisfaction and will discard the rest.

Different diseases of the digestive system

These types of conditions are known as gastrointestinal disorders and can evolve from mild to serious. The first Signs that indicate a malfunction of this system, have symptoms that are specified below:

    Bleeding Constipation Incontinence Diarrhea Abdominal pain Nausea and vomiting Stomach acid Difficulty breathing swallowBloating Weight gain or loss

Among the most common digestive diseases we have:

    Cancer of any of your organs biliary, cholecystitis and cholangitis Irritable bowel syndrome Lactose intolerance.

Rectal conditions:

    Anal fissure HemorrhoidsProctitisRectal prolapse

Esophageal conditions:

    StenosisEsophagitis Achalasia

Stomach conditions:

    Gastritis Ulcers gastric

Hepatic conditions:

    Hepatitis types B and C, also alcoholic and autoimmune, Cirrhosis and insufficiency liver

Intestinal conditions:

    Intestinal ischemia PolypsDiverticulosisUlcerative colitis Short bowel syndrome

Measures to protect your digestive system from diseases and conditions

Digestive system



Distribute the food that you must eat in the day in five moments, breakfast, snack, lunch, snack and food. This way you will avoid excess food.

To contribute to a better function of the pancreas and a more comfortable absorption of minerals; increase the consumption of olive oil.

Among all the fibers, the most recommended is the vegetable, especially the insoluble. This takes care of water retention at the end of the colon and allows the stool to become softer, which contributes to the defecation.

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It is important to know the great benefits of eating fruits and vegetables. Both constitute the largest source of antioxidants of all and are positioned as one of the main pillars of the diet. Due to its contribution of vitamins, fiber, water and other minerals, it is recommended that the amount to consume of five portions per day.

It is essential that the habit of drinking milk is not lost, since, if this happens, the lactase enzyme becomes extinct. Counting that milk It constitutes one of the most basic ways to get calcium. So, if we abandon this habit, very negative changes will occur for our bones.

Water is a precious and minimal liquid, it is recommended that you drink 1 to 2 liters a day. This helps the digestion and warns of the constipation.

Other measures

They are classified as high-fat foods, some like; bacon, aged cheeses, eggs, margarita, butter, cream, cold cuts, butter and organ meats. These are poison to our body and it is Right avoid consuming them in large quantities.

It’s great to eat baked, steamed, boiled and grilled foods. In all of them, you should avoid excess seasonings, spicy and food burnt and greasy.

All soft drinks or any type of gas drink must be eliminated from our menu. Although they interrupt gastric secretion, too they exert a rebound effect that later increases acid secretion even more.

Of course, physical exercise could not be missed, this undoubtedly improves all areas of your life. Of course, digestive health is no exception.

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