A Wonderleaf question

a real page from the book
Ears pop on airplanes because the air pressure outside your ear changes during takeoff and landing. A little space behind the eardrum needs to match that pressure. When it does not, the eardrum is tugged slightly, and your ear feels blocked.
Swallowing, yawning, or chewing opens a narrow passage from the middle ear to the throat. Air moves through, the pressure balances, and the eardrum settles back where it belongs. That quick adjustment is the pop you hear.
During a pretend airplane descent, try swallowing, yawning, and sipping water to notice how your ears change.
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