What exactly is a yawn?!
Question: What exactly is a yawn!?
and why are they contagious!?
And what about an itch!?
And a cramp!?Www@Answer-Health@Com
And what about an itch!?
And a cramp!?Www@Answer-Health@Com
Answers:
Yawning
Our breathing is partly under automatic, or reflex, control!. You can think about your breathing and decide to breathe rapidly or slowly!. But most of the time you do not think about it at all, and you let the automatic control do the job!.
The special automatic control of breathing works from a place in the base of the brain called the respiratory center!. Its job is to keep checking on the carbon dioxide in your blood!. When there is too much carbon dioxide in the blood, the center speeds up your breathing to help take away the carbon dioxide!.
Yawning is started by that automatic control!. A yawn usually happens when you are tired or bored and probably breathing slowly and not very deeply!. The automatic control turns on to make you take a deep breath!. That
Our breathing is partly under automatic, or reflex, control!. You can think about your breathing and decide to breathe rapidly or slowly!. But most of the time you do not think about it at all, and you let the automatic control do the job!.
The special automatic control of breathing works from a place in the base of the brain called the respiratory center!. Its job is to keep checking on the carbon dioxide in your blood!. When there is too much carbon dioxide in the blood, the center speeds up your breathing to help take away the carbon dioxide!.
Yawning is started by that automatic control!. A yawn usually happens when you are tired or bored and probably breathing slowly and not very deeply!. The automatic control turns on to make you take a deep breath!. That
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