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प्रश्न
A popping sound is heard in the ear when yawning or swallowing. This is caused by
विकल्प
air in the cochlea.
the opening of the Eustachian tubes.
air entering the perilymph
the moving of the jaws.
MCQ
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उत्तर
the opening of the Eustachian tubes.
shaalaa.com
General Science and Technology Current Affair (Entrance Exam)
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