How nasal discharge and thick phlegm are produced and what substances they are made of

Under normal circumstances, the nasal mucosa of the human being secretes mucus all the time to moisten the nasal membrane, moisten the inhaled air, and stick to the dust and fine dust and microorganisms inhaled from the air, which is nasal discharge. Normal people secrete about hundreds of milliliters of nasal mucus every day, but these nasal mucus flow to the posterior nasal orifice to the pharynx in the direction of the movement of nasal mucosal cilia, plus evaporation and dryness, it is generally not seen to flow out of the nasal cavity. In fact, runny nose when cold is a natural detoxification effect of the human body, although taking medicine can stop nasal congestion and other uncomfortable symptoms, but also destroy this natural mechanism, many people like to use the method of inhaling vapor to improve the problem of nasal discharge, but it is a way to save money and temporarily solve nasal congestion.

The production of phlegm is the result of the discharge of sewage from the human respiratory tract. Normally, particles, viruses, bacteria, etc. that enter the respiratory tract will be stuck by mucus. It's the slime protecting ourselves.

At the same time, the small cilia in the trachea do ciliary movements like wheat waves, slowly pushing out these dirty things. More often than not, the mucus is swallowed unconsciously; When there is a lot of mucus in the trachea, the person will cough and spit.

When mucosal immune dysfunction leads to a decrease in mucus function, the mucosa secretes more mucus to participate in the "protective movement". As a result, the person feels a lot of phlegm. From the characterization point of view, there are two kinds of sputum, one is yellow and thick sputum, and the other is clear and thin sputum.

The former is the result of fighting bacteria, and the latter is the result of fighting viruses.

Categories: Health Wellness >> common sense of the human body.

Problem description: Where do they come from? Why do you always have to come out of your throat or nose? How to quickly clear Resolution:

Phlegm is secreted by the glands in the lungs and is discharged by the ciliary movement of the trachea and coughing Nasal discharge is secreted by the glands in the nose, and at the same time, the nasolacrimal duct that communicates the nose and eyes will also drain the tears secreted by the tear glands to the nasal cavity, so when the shirt is crying, the nose will also increase

For healthy people, phlegm and nasal discharge are normal secretions of the human body, and it is enough to cough up phlegm when you feel uncomfortable

Nasal discharge is not phlegm. The two are not the same thing.

1) Nasal mucus is a normal condition in which the nasal mucosa of some organisms secretes mucus all the time to moisten the nasal membrane, moisten the inhaled air, and stick to the dust, fine dust and microorganisms inhaled from the air.

Most nasal discharge is secreted by the nasal mucosa itself. The nasal mucosa contains a type of goblet cell that produces a lot of mucin, which is released into the outer cell and absorbs a large amount of water, forming nasal mucus for nasal use.

Part of the snot is actually tears. These tears are produced from the lacrimal glands, partially to the lacrimal ducts, and then through the nasolacrimal ducts to the nasal cavity, where they become part of the nasal discharge.

b) Phlegm is a substance made up of many components. Its high fluid content is the result of the transport of ions and water by the epithelium, while its macromolecules are mainly the products of blood leakage or local secretion of cells.

Some sputum is sputum when sucked into the mouth through the Eustachian tube, but not all sputum is nasal discharge.

Nasal discharge and phlegm are produced at different locations, but the mechanism is similar.

Nasal discharge: Under normal circumstances, the nasal mucosa of the human being secretes mucus all the time to moisten the nasal membrane, moisten the inhaled air, and stick to the dust and fine dust and microorganisms inhaled from the air, which is nasal discharge.

Sputum: The medical definition of phlegm refers to the mucus secreted by the mucous membranes of the respiratory ducts below the nasal cavity such as the lungs and bronchi, which is used to expel foreign bodies from the body, especially the secretions that are spit out by coughing.

Nasal discharge is secreted by the mucous membranes in the nasal cavity, and sputum is secreted by the mucous membranes in the trachea. The purpose is to encapsulate the bacteria and excrete them from the body.

Although they are all mucus, one comes from the nose and one from the lower respiratory tract.

One is nasal and the other is respiratory.

Nasal discharge and phlegm during a cold are a normal physiological phenomenon of the body's own defense, the first threshold in the immune system, secreted by the body itself, in order to encapsulate foreign substances (such as bacteria, viruses, pollen, dust, and others).

The quality of snot and phlegm can also indicate the condition of your body at that time.

Phlegm is secreted by glands in the lungs and excreted by ciliary movements of the trachea and coughing

Nasal discharge is secreted by the glands in the nose, and the nasolacrimal duct, which connects the nose and the eyes, also drains the tears secreted by the lacrimal glands into the nasal cavity, so when crying, the nose will also increase

For healthy people, phlegm and nasal discharge are normal secretions of the human body, and it is enough to cough up phlegm when you feel uncomfortable

It's secreted by the glands, mixed with some dust and stuff.

Because the nose and throat are two outlets, and there are some cilia in the nasal cavity and trachea, they have a certain direction and will expel secretions towards the exit.

A quick clearing is when phlegm is coughed up and then the snot is blown out