Want this question answered?
you may have a severe cold or flue
throat, bronchies, lungs
There is nothing you cannot help doing when you yawn. You do not even need to open your mouth - it is certainly possible to yawn with a closed mouth.
When you yawn, your mouth makes a sound to releive the joy of yawning.
its just to be polite nobody wanna see the inside of ur mouth
Yes, you can. Yawn by breathing with your nose. It's tricky, but I just did it. :)
Yes. You can yawn, but your jaw will open, but your lips can stay closed.
There is nothing you cannot help doing when you yawn. You do not even need to open your mouth - it is certainly possible to yawn with a closed mouth.
:-0 a yawn is the stretching of the mouth, open wide action, smiling like a doughnut so to speak
Covering my mouth
Excess carbon dioxide in the back of your throat simply releases itself in the form of yawning.
so that more oxygen can come in easier.