Why do we cry? The three types of tears
Of grief, of love, of rage or simply peeling an onion. Although we usually associate the action of crying with certain situations, the truth is that our eyes do not have rest and, even without realizing it, they are constantly generating tears.
Basal tears: the discreet
You may not notice all day, but while you make your life, the tear glands of your eyes are in constant generation of tears, to the point that each person generates an average of 300 milliliters a day of tears, that is, 114 Liters per year.
Reflex tears: the protective
While the basal tears are like the service of maintenance of the eye, the reflex tears become the protective shield that the organism unfolds in situations of danger.
Emotional tears: the sentimental ones
And what happens when we cry for a break, for laughter or for stress? In these cases, we are facing the third type of tears, emotional.
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Source: Supercurious.com
Credits: Ted-Ed / Noelia Martín Estebané
Because the brain sweats.