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Why do humans produce tears?

Updated: 8/10/2023
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13y ago

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When we have a specific emotion that causes us to cry whether it's happiness , or sadness, we basically have an over reaction in the year ducts causing us to cry, because of the over reaction caused by the emotion

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9y ago
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13y ago

There are tear glands (lacrimal glands) that ooze out tears through the lacrimal

ducts in emotional state when certain biochemicals increase in blood.The ducts also ooze when agitated by foreign matter in the eye to clear out any impurities.

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14y ago

The tears are there to wash the sadness away.

Some days you will look someone in the eyes and think "we are so alike you and I, I think I love you", and they'll be like "stop staring at me dude or I'll ask the driver to throw you off the bus" and you will feel sadness growing upwards from your toes.

When the sadness reaches your heart you'll be like "oh, no, I need to turn off 'shuffle' on my iPod so I can quickly find a song by The Cure", but even then, when it reaches your eyes you will start to cry and there will be tears. If you feel it tickling in the corner of the eye it is just sadness being itchy.

Somebody nice will see you when you get off the bus, and they will say, "hey, don't be so sad", and you'll say "I'm not sad", but they'll say "I can see sadness running down your cheeks, but don't be sad, because your cheeks are all sticky and shiny from the sadness so I can see my own reflection on your face. This makes you beautiful, to me."

And you will feel weird, and feel the urge to wipe the stranger's reflected face off of your cheek, and this will make you forget the sadness.

Nature is wise like that.

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13y ago

In order to lubricate the eyeball itself, which will dry without lubrication.

It is not known why intense emotion causes an increase in the production of tears. It may be stress related.

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12y ago

I think it's something to do with being overwhelmed with an emotion.

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8y ago

The cause is the releasing from onion of the compound syn-propanethial-S- oxide.

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Q: Why do humans produce tears?
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Which animal cries during eating?

Crocodiles are known to shed tears when eating large meals, not from emotion, but because near-choking causes them to produce tears. Other organisms that are capable of shedding tears are elephants and humans.


Can a brain dead person produce tears?

Brain dead person can produce tears, if his reflex arc related to tears is intact. Anything irritating to eyes will produce the tears in the eyes of such person.


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How do pigs cry?

Pigs don't cry, only humans have the ability to cry, while animals do not cry in the way that humans do, they do produce tears. Since tear production, called "lachrimation", is necessary for healthy eyes. Tears are produced in mammals by the lachrymal system, tissues which make water. In land mammals, tears evolved to replace the water that the eyes of aquatic animals and fish are constantly surrounded by. Tears clean the cornea and keep it moist.


Do monkeys cry?

Humans are the only primates that express sadness through shedding tears - the most common definition of crying. However, monkeys do also express sadness. Monkeys typically wail or scream when they are sad, as they lack the tear ducts to actually produce tears when they are distressed.


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Of course not!


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False


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... tear ducts...


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The Lacrimal Gland


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They are glands near the eye that produce tears, or the solution that covers your eye.