Biochemical Reaction: Crying is part of our human emotional package.It all starts with lacrimal system that is sitting right to your eye ball.Tears of emotional crying Emotiona make your heart beat fast.you sweat,your breathing slows and you get a feeling of a lump in the throat,and your eyes start tearing.It is a complex biochemical reaction and is normal to all humans and even some animals who feel emotions
Answered 10/28/2017
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