Why do we yawn?!
Question: Why do we yawn!?
why do we yawn when tired or bored !?Www@Answer-Health@Com
Answers:
To show people our fillings and bad teeth!! just kidding!! lol
When we feel tired or bored the body feel slower and it thinks it needs more oxygen so it forces you to yawn to have a higher intake of oxygen to try to liven the body up again!! ;o)Www@Answer-Health@Com
When we feel tired or bored the body feel slower and it thinks it needs more oxygen so it forces you to yawn to have a higher intake of oxygen to try to liven the body up again!! ;o)Www@Answer-Health@Com
Believe it or not, the reason for yawning is not completely understood!. Some believe it to be a reflex in order to increase oxygen levels in the blood!.
Others, and the one I agree with, is that is that a yawn is basically a stretch of the respiratory muscles!.
Think of when we yawn and and how it is usually in the same circumstances as when we unconsciously stretch other muscles (upon waking, when we are immobile for too long or bored)Www@Answer-Health@Com
Others, and the one I agree with, is that is that a yawn is basically a stretch of the respiratory muscles!.
Think of when we yawn and and how it is usually in the same circumstances as when we unconsciously stretch other muscles (upon waking, when we are immobile for too long or bored)Www@Answer-Health@Com
Talk about coincidences - today I happened to download some information about yawning, sneezing etc!.
Here we go:
Theories
There seems to be no shortage of potential explanations for yawning!. Some of the most reasonable theories follow, though none has been proven:
? Yawning stretches out the lungs and nearby tissues, preventing tiny airways in the lungs from collapsing!. This could explain why yawning seems to occur around the time of shallow breathing (when tired, bored or just arising from bed)!.
? Yawning distributes a chemical called surfactant, a gooey liquid that coats the tiny air pockets in the lungs and helps to keep them open!. Adequate amounts and function of surfactant is a critical to the ability of a newborn to survive outside the womb!. This theory could explain why fetuses yawn during development, as they prepare to use their lungs
? Because yawning is associated with stretching of the muscles and joints and an increased heart rate, it may serve as a preparation for an increased level of alertness, especially after a period of relaxation!. This could explain why athletes and professional musicians often find themselves yawning just before periods of increased focus or activity!.
? Yawning could provide nonverbal communication to others that it is time to relax and put aside the activities of the day!. Extensive yawning among members of a baboon group signals the time to sleep, typically with the leader (
Here we go:
Theories
There seems to be no shortage of potential explanations for yawning!. Some of the most reasonable theories follow, though none has been proven:
? Yawning stretches out the lungs and nearby tissues, preventing tiny airways in the lungs from collapsing!. This could explain why yawning seems to occur around the time of shallow breathing (when tired, bored or just arising from bed)!.
? Yawning distributes a chemical called surfactant, a gooey liquid that coats the tiny air pockets in the lungs and helps to keep them open!. Adequate amounts and function of surfactant is a critical to the ability of a newborn to survive outside the womb!. This theory could explain why fetuses yawn during development, as they prepare to use their lungs
? Because yawning is associated with stretching of the muscles and joints and an increased heart rate, it may serve as a preparation for an increased level of alertness, especially after a period of relaxation!. This could explain why athletes and professional musicians often find themselves yawning just before periods of increased focus or activity!.
? Yawning could provide nonverbal communication to others that it is time to relax and put aside the activities of the day!. Extensive yawning among members of a baboon group signals the time to sleep, typically with the leader (
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