Where do snot: what is it and why there

What is snot and where does it come from?

Has anyone thought about what is snot and where they come from in humans? Perhaps, in rhinitis, some still asked this question. Why they are needed and why so many of them during a cold?

Due to the fact that snot often appear only in diseases of the nasopharynx, many probably consider them harmful, but is it? As formed snot in your nose? In fairness, they needed a man as carry out not only protective mechanisms, and normalize the state of the mucosa.

What is snot?

First you need to understand what constitutes human snot, only then can we consider questions about their dangers and benefits. In fact, snot are a slime, which consists of:

  • water;
  • mucin;
  • salts.

Read in this article is it possible to swallow snot?

In addition, this mucus can also be other elements, but their concentration is negligible:

  • nucleic acid;
  • skin cells;
  • proteins.

With regard to mucin – it is, in fact, the main component of mucus, which gives them the properties that it has. Mucin makes the snot viscous, and the more intense is its output, the thicker they become. In addition it also has antibacterial properties.

Read in this article tips for thinning mucus.

The development of this component is not only for ailments. In small concentrations it is present in the mucus always. Snot moisten the inner lining of the mucosa and become a barrier to bacteria and dust particles towards the body.

Once the mucin is in contact with the liquid around, he almost immediately increased in size several hundred times. Because of this and goo appears.

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Causes

In fact, nasal mucus can occur for several reasons, which is not much:

  1. Diseases of the catarrhal type, including bronchitis, influenza, acute respiratory infections, pneumonia.
  2. An allergic reaction to one of the agents, the molecules of which penetrated into the body.
  3. During crying, an increasing number of snot.
  4. When mechanical damage.

In each of these 4 cases, the occurrence of mucus, the mechanism of its action has some differences. For example, in case of allergic reactions it produced in order to remove an irritant from the nasal mucosa. This rhinitis is faster only once breaking the contact with the irritant.

What is their function?

So why the snot? Their main function is to protect the respiratory passages from any external irritants, drying out and mechanical damage. Snot act as a barrier between the body and pathogenic microorganisms.

In the case when the discharge becomes too intense, with impurities and odors, this indicates the presence of a disease that must be immediately treated.

According to recent studies scientists nasal mucus has also medicinal properties, in addition to all previously listed. Such a function occurs when the nasal cavity is formed mechanical damage and slime enveloped her, protecting and healing.

Where does the slime?

In the human body there are special mucous membranes located in the nasal cavity, thanks to them, and produced snot. With regard to the mucin, which gives the volume of the nozzle at the slightest contact with moisture, it can increase its volume by 600 times.

See also: Why people eat boogers out of your nose.

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During the day, a healthy person produces approximately 70-200 ml. it Turns out that the mucus is very useful, and in most cases is simply necessary. Now knowing its function, you can suffer its presence, because without mucus, it would be much worse.