![The hygiene of the schoolroom. FIG. 23.. FIG 24. CHAPTER IX The Vocal Organs The voice is the sound resulting from the passing inand out of the air over the vocal The hygiene of the schoolroom. FIG. 23.. FIG 24. CHAPTER IX The Vocal Organs The voice is the sound resulting from the passing inand out of the air over the vocal](https://c8.alamy.com/comp/2AGB50M/the-hygiene-of-the-schoolroom-fig-23-fig-24-chapter-ix-the-vocal-organs-the-voice-is-the-sound-resulting-from-the-passing-inand-out-of-the-air-over-the-vocal-cords-two-folds-ofmemhrane-in-the-larynx-or-upper-part-of-the-air-passagehetween-the-windpipe-trachea-and-the-hase-of-thetongue-when-the-cords-are-relaxed-the-air-passes-be-tween-them-without-sound-but-at-will-the-small-musclesguiding-the-cords-can-be-set-tighter-so-that-as-the-airpasses-they-vibrate-and-produce-sound-the-differencein-pitch-is-created-by-the-degree-of-tension-of-these-cordswhen-they-are-loosely-set-a-low-2AGB50M.jpg)
The hygiene of the schoolroom. FIG. 23.. FIG 24. CHAPTER IX The Vocal Organs The voice is the sound resulting from the passing inand out of the air over the vocal
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Voice transplants' one step closer after scientists grow human vocal chords | The Independent | The Independent
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