Tears of crocodile tears .. tears of the eye 3 types .. know them

Health and Medical

Crocodile Tears are a term used frequently to express the claim of crying because the truth is that crocodiles produce a lot of tears but they do not cry. The human being is born crying and completing the rest of his life. He also cries. There are only 3 types of tears in humans. .

Tears

According to the site "kellylaser"The main goal of the tears is to clean and soften the eyes, where tears are excreted from the lacrimal glands located in the back of the upper eyelid, and all tears contain water, fat, lysoszyme, lepokalin, glucose, and sodium.

This protein-rich and antibacterial fluid moves from the outer edge of the eyeball to the cornea and fills the entire surface of the eye every time we brush it.

All the tears overflowing on both sides of the cheeks the same way, but there are 3 types of tears are:

These daily tears are called basal tears, consisting of water, fat, myosin, immunoglobulin, sodium and potassium, among other substances, including a group of antioxidants Like licorice, many components of basal tears aim to protect the eye from pathogens or other potential bacterial threats.

2 – Reflected tears, formed in response to severe external stimuli, if you fall in the sandstorm outside, or perhaps touch your eyes after chopping chili, these reflected tears are formed to expel irritants that can lead to such tears reflected may also do through Mucous membranes, nose or mouth, all associated with the same defense mechanism for tears for rapid disinfection.

3. The psychological tears, tears caused by feelings of happiness, sadness, exhaustion and the path in which the "emotional tears" are generated are completely different and controlled by the brain's terminal system, which affects the sympathetic nervous system, releasing neurotransmitters that lead to the lacrimal gland producing tears! Not only is the path of generating a different emotional tear, but also the formation of tears.

Related topics

– tears