Why Do Tears Come Out When You Cry
Olivia Luz
Crying also happens for physical reasons to deliver nutrients and wash out stress related toxins.
Tears flow from tear glands into your eyes through tiny tear ducts. Crying can be scientifically defined as the shedding of your tears in response to an emotional state. Tears do come out of our eyes when we are emotional either very sad or happy or when our eyes are irritated by something like a bit of dust that gets into our eyes or when we cut an onion. When excess tears are produced they drain into small ducts to the nasal cavity.
Tears are needed for our eyes to work properly. And we cry for social reasons to communicate distress sincerity attraction aversion depending on the context the fluid that makes up tears contains water for moisture and oils for lubrication and to prevent evaporation of tear liquid. Tears do come out of our eyes when we are emotional either very sad or happy or when our eyes are irritated by something like a bit of dust that gets into our eyes or when we cut an onion. Newborns don t produce tears when they cry because their lacrimal glands aren t fully developed.
There s an anatomical reason why crying makes your nose run. And if you have too many tears to drain they ll spill out of your eyes. The tear glands are located under your upper lids and when stimulated produce tears to form a thin film over your eyeballs. Very different from lacrimation which is the non emotional shedding of tears.
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