Crying

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Amrik
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Crying

Post by Amrik » Wed May 24, 2006 9:27 am

There is one question bothering me...Why wen humans r in pain they cry?? Does crying helps reduce the pain or sth? and y is tht tears have to come put wen our arm or leg is badly injured???

baikuza
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Post by baikuza » Fri May 26, 2006 9:18 am

i do not know for sure, but i think it is analog with the reason why you are smiling...
it is the expression of soul. maybe they are the media to expres our feeling.

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MrMistery
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Post by MrMistery » Fri May 26, 2006 5:50 pm

I have always regarded crying and smilying as expressions that evolved for social interactions. They might be a form of metacomunication(tell everyone that the predator is here and took a bite out of me) or a sort of a child to call his mother if he is injured. Also, tears are a form of excretion...
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daniel.kurz
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Post by daniel.kurz » Fri May 26, 2006 7:38 pm

I always associated crying with an emotion. When you are upset your brain is using electrons in one of the lobes. You cry because your brain is attempting to express it and it sets of the tear ducts. It is a bit more complex but I believe that is the basic.

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MrMistery
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Post by MrMistery » Sat May 27, 2006 11:16 am

Lol... don't use the term emotion, it has no scientific definition. Or at least not a physiological one. It is a phychiatric definition and not important for us. Second of all, how exactly does the brain use electrons? Look up neuron function and the importance of Na+ and K+ ions. No free electrons involved and they also aren't being used, just moved around. Third, the real question is why your brain might "want to express itself" using tears?
"As a biologist, I firmly believe that when you're dead, you're dead. Except for what you live behind in history. That's the only afterlife" - J. Craig Venter

atypical10
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Post by atypical10 » Sun May 28, 2006 1:11 am

We cry when we are injured because we have pain receptors that tell us when tissue is damaged.

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