Do you know why we gape?

We all ask ourselves why we often gape us. Is this an involuntary mechanism?
When we open our mouths? These are some questions you have to answer some scientists.
Dr. Parisian doctor. Double, has indicated that the opening of the mouth is associated with the rapid growth of children. Still has several dark and inexplicable.
Opening the mouth consists of three phases: deep breathing, mouth open, followed by a blockage of breathing, followed by a drawing of breath easy. Everything happens in 3 to 5 seconds. In fact, the act of opening the mouth allows the release of endorphins, the hormone being. In some cases when opening the mouth you can come to tears from his eyes as it stimulated glands of the lot.
I feel that you gape? Although it may not be the right time, you can not escape the opening of the mouth. In these cases, the best solution is to keep your mouth almost closed.
Many muscles are put to work during the opening of the mouth: they mouth, neck, face and respiratory. And when it starts opening the mouth is unstoppable. These are some of the arguments that transmits Civitas why we gape.