| 21. | The folds of the outer ear _ the pinna _ seem gratuitous, a waste of cartilage and skin.
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| 22. | The outer ear funnels sound vibrations to the eardrum, increasing the sound pressure in the middle frequency range.
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| 23. | Floquet's outer ear was blown off.
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| 24. | A second control group received acupuncture in other points along the outer ear believed to have no treatment effect.
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| 25. | Skin divers have less pressure inside the ears, but they also have only atmospheric pressure in the outer ear canal.
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| 26. | The positioning of the pinnae, or outer ears, along with fur color, are dependent on the individual doing the reconstruction.
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| 27. | Although snakes are able to sense sound, they lack the outer ear that would enable them to hear the music.
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| 28. | "' Acetic acid / hydrocortisone "'is a commonly used combination drug to treat infections of the outer ear and ear canal.
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| 29. | Some surgeons use cartilage ( taken from the outer ear ) to stiffen the eardrum with the aim of preventing further retraction.
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| 30. | One group received auricular acupuncture, in which needles are inserted into specific places in the outer ear thought to be associated with addiction.
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