Did you know there are three kinds of tears? Get to know them and find out what causes them

Whether it is caused by viewing a sad film, family reunions, or allergies, the cry seems to serve many goals. A salty fluid flows through the surface of your eyes, and finally you feel better. Other animals also have tears, humans are the only animals that can tear because of emotions.

However, Charles Darwin, the father of evolution, once wrote that crying was an unintentional “”. Nearly 150 years later, emotional cries are still one of the greatest mysteries of our body. But here's what we know so far about them.

Tears may look the same when they fall out of sight. In fact, the American Academy of Othalmology recognizes three kinds of tears.

Base Tears: These kinds of tears are in our eyes all the time, protecting them from drying while also protecting the choir. They protect their eyes from all uncleanness and waste. Our eyes produce about 125-250 milliliters of tears every day.

Reflexive tears: These come out, when the eyes face irritative elements like smoke, dust, or the smell of onions. These tears can contain extra antibodies that help combat bacteria.

Emotional tears: We produce these tears when we overcome all kinds of emotions, ranging from joy and sadness to fear and stress. Some scientists believe that emotional tears have hormones and protein that are not found in other types of tears.