Why do we cry? Types of tears and how they works?

Crying is a natural physical reaction that we all have in response to strong, overwhelming emotions.
What are tears made of? They are all the same? Why do women cry more than men?
In this video we're going to answer all these questions, as well as how the crying mechanism works, why we cry and other curiosities.

00:00 - The crying
00:38 - What are tears made of?
01:07 - Are all tears the same?
02:02 - How does the "crying mechanism" work?
03:57 - Why do we cry? What are emotional tears for?
04:12 - 1st theory
05:06 - 2nd theory
05:49 - Why do women cry more than men?
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