When the tears are the most salty

When you're heartbroken.

The tears that come out when you are sad are salty and bitter. It is to relieve the bitterness in the heart.

The tears that come out of joy are salty and sour. It's to spit out the sourness of memory.

When you are in pain and despair, or when you encounter setbacks, the tears that are salty in themselves feel even saltier;

When you are happy, the tears that come out do not feel salty, and even if they are salty, they become sweet, which is just an illusion caused by the change of people's mentality.

When tears flow into the mouth, the person will feel a salty taste. Why are tears salty? Scientists have found that in people's tears, 99 percent is water and 1 is solid, and more than half of this solid is salt, so it's no wonder it has a salty taste!

It turns out that there is a gland the size of a little finger on the outer top of the eyeball, called the lacrimal gland, which is made of blood as raw material and processed to produce tears. And we know that in the blood, fluids and tissue fluids of the human body contain salt, and it is not surprising that tears made of blood contain salt. Salt accounts for 0 9 in blood and 0 6 in tears.

Tears contain not only salts, but also enzymes that dissolve bacteria, which have a bactericidal and slightly disinfecting effect on the eyes. In addition, the surface of the black eye is often coated with a thin layer of tears, which moistens the cornea so that it does not dry out and become cloudy due to direct exposure to the air.

There is another important reason: the fluid of animal somatic cells contains a certain amount of salt, there will be a certain osmotic pressure, if the outside water is pure water, animal cells will be in danger of breaking because of the absorption of water. Therefore, for human cells, the most suitable environment is not fresh water, but a solution containing a certain amount of salt, that is, normal saline.

Therefore, if the tears are salty, the cells of the eye can have the most suitable external environment. However, if the salt content is too high, it is not suitable, and if sweat (concentrated due to evaporation) gets into the human eye, it is very uncomfortable.

When tears flow into the mouth, the person will feel a salty taste. Why are tears salty? For scientists.

The method of microanalysis found that in people's tears, 99 is moisture, 1 is solid, and this solid.

More than half of it is salt, no wonder it has a salty taste! It turned out that there was a little finger on the outer top of the eyeball.

The size of the gland, called the lacrimal gland.

The tear duct is made of blood, which is processed to produce tears. And me.

We know that in the human body blood, body fluids and tissue fluids.

They all contain salt, and there is salt in the tears made of blood.

It's not surprising to score. Salt accounts for 0 9 in blood and 0 6 in tears. Tears contain not only.

Salt, which also contains enzymes that dissolve bacteria, has a bactericidal and slightly disinfecting effect on the eyes. In addition, black.

The surface of the eye is often coated with a thin layer of tears, which moistens the cornea so that it is not directly exposed.

The air is dry and cloudy.

Tears are a weakly acidic, clear, colorless liquid composed of mostly water (, and contain small amounts of inorganic salts, proteins, lysozyme, immunoglobulin A, complement system, and other substances.

Since it contains organic ingredients. will spoil.

Give me extra points.

You can try it.

Tears are salty.

My physiology teacher, I remember saying that the ratio of fluid concentration of the tear glands is different depending on the diet, but the normal one is between. Tears are a kind of weak acidity, and most of its composition is water (1%) is organic matter, a small amount of inorganic salts, and other information is suspicious or incomplete.

Tears are bodily fluids. The salt content of human body fluids is about the same, and the salt content of tears is about the same for different people.