At ordinary times, eustachian tube by extrusion and surrounding tissue in the export of nose pharynx ministry in closed state, but when the baby swallowing, chewing, sneezing, or crying, in order to maintain the balance of inside and outside the middle ear pressure, open eustachian tube is a moment. Because the baby's ear has not yet developed, eustachian tube is relatively short, low and flat, and position if you cross holding the baby, let him lie on your back with milk, milk bottle mouth open too large, bottles, vertical too straight, etc., are likely to cause the baby choking milk, and make the milk along the eustachian tube into the middle ear, induce otitis media.
When a car is driven, it really is depending on the wheels to go to its destinations with no difficulty. The car should not be pulling from side to side, but rather driving straight without resistance within the steering. If there is a struggle to maintain a straight driving line, the auto?s wheel alignment may be out of adjustment.
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