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Your body always has pressure on it. If it didnt you would not be able to hold your blood inside your body, and you would die. but when you have more pressure then usual on your body, you can have your ears and eyes pushed in. that is what happens when you are on a plane. The higher up you are, the less pressure there is on your body. To keep you alive, the plane is pressurised. so you can feel the pressure on your ears. Chewing Gum helps b/c it keeps your jaw in motion, and helps push against the outside pressure. if you live high above sea level, and you travle somewhere like New Orleans (much closer to sea level) your ears can act funny until your body works out the new pressure.

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13y ago

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