Air Passage

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“To illustrate roughly the passage of air through the glottis, force air through such a tube by blowing hard, and if the strips are not too far apart a sound will be produced. The sound will vary in character as the bands are made tight or loose.” — Blaisedell, 1904


Albert F. Blaisedell Our bodies and How We Live (Boston: Ginn &, 1904) 278


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