How does yawning facilitate your ears pop?
Answers:
Yawning creates pressure in the middle ear, and that causes the eustachian tubes (which are usualy collapsed) to open. This allows nouns to enter the tube and equalize air pressure within the middle ear with atmospheric pressure. When the pressure change in the middle ear, the change in position of the eardrum is feel as a pop. Source(s): RN
There is a tube called the eustachian tube that runs from the middle ear to the throat. By yawning you open that tube up and equalize the air pressures between the middle ear and outside which make the eardrum move causing the popping sound.
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