Why We Can Evaporate?

Evaporate

           Surely if we were still sleepy, bored or tired, one thing is for sure we do is yawn. Moreover, if longer work and home are still waiting for a long time ..

felt within 15 minutes can evaporate more than 5 times ..

actually, why do we yawn?

        Actually, whether the symptoms of yawning? Is yawning identical with sleepy? Why could evaporate?


         Lots of scientists think about this yawning. From the point of evolution, or human development, meguap is a "relic"ancestor in the evolutionary process, at least we can also see animals also acts as a yawn.


         Other scientists believe that yawning is a way the body to overcome the lack of oxygen in the brain, at least that is what an American researcher named Gordon Gallup. He assumes that our brains are like computers that can "work" with both at a temperature of "cold". So to keep the brain temperature remained cold evaporated mechanism was needed.


          Other smart people believe that yawning is because the body's "forced" to get more oxygen to his lungs. So when the lungs due to certain conditions "shortage" of oxygen, the body through the brain will instruct the action had evaporated.


          As a courtesy ethical guidelines, you should not forget to shut your mouth when you yawn, and do not need to make a sound.


          Oh yes there is an interesting more about yawning, yawning is said it also "contagious". Try maybe there among you who have experience bandwagon evaporate if there is someone else yawn near you. Is it happening because both "need" oxygen? Or because of other reasons? How do you think?

Sumber : Kaskus.