Man is distinguished from life by several advantages, such as thinking, laughter, and crying ... But why does a person cry and not animals like him?
Why does a person cry?
Why does a person cry? Severe crying
Psychologists say that crying is the result of the interaction of feelings and information through a special mechanism in the brain that only occurs in a person, so crying occurs involuntarily when a person is sad or very happy or very scared or feels severe pain.
Although it is not yet clear why emotions cause crying, we do know that the chemicals in emotional tears differ from the compounds found in other natural tears.
Some scientists have come to the conclusion that the chemicals in emotional tears make us feel better after crying, you must have heard them say shouting to ease! .
In conclusion, the person cries naturally to drain the extra pressure of feelings on the brain to reduce their intensity on the nervous system to maintain its integrity, such as a safety valve.
In general, we may cry naturally and shed tears for three reasons:
1. Tears help in maintaining the health of our eyes, and our eyes need to cry a little every day to stay healthy, although we do not notice these tears because they do not leave our eyes.
2. We cry when we are very emotional, for example, very happy or very sad. Or very frightened ... This is called natural crying
3. When something abnormal happens to our eyes, such as dust, sharp objects, or the pungent smell of onions irritates our eyes, then we shed tears involuntarily.
The lacrimal glands are a series of tiny glands located in a specific part of the eye that are responsible for producing tears and helping our eyes to function properly.
Under normal circumstances, these glands can only produce a small amount of tears per day, which is less than half a teaspoon.
What are the components of tears?
Although most tears are made up of water and some salt, tears also contain fats, mucus and special chemicals called enzymes that kill germs.
The small amount of fat in tears prevents the tear drops from evaporating or leaving the eyes permanently, if our tears are not oily, our eyes may become very dry or painful.
When we blink, tears spread around the eyes and mucus helps the tears stick to the edges of the eyes. The remaining tears are drained into the eye through a special drainage system that connects to the nose.
What happens to the eyes when we cry?
When we cry, the tear glands in our eyes produce tears, and the amount of these tears is so great that the eyes cannot trap them inside. This is because the largest tear gland inside the eye can start to function like a small fountain and produce a lot of tears at once.
The part of the brain that causes this source of tears to produce tears receives a signal from the emotion-controlling part of the brain, which is why when we become emotional, the eye can produce more than half a cup of tears per minute.
This amount of tears is so large that the eyes cannot hold them inside and send a large amount of them into the nose through the drainage system, so when we cry, we usually find a runny nose, this runny nose. In fact, they are our excess tears!
When we cry a lot, the tears become so many that the drainage system can't drain them all, so the tears flow from our eyes.
