The Hygiene of the Schoolroom

Paperback | February 6, 2012

byWilliam Francis Barry

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated.1904 Excerpt: ... CHAPTER IX The Vocal Organs The voice is the sound resulting from the passing in and out of the air over the vocal cords, two folds of membrane in the larynx, or upper part of the air passage between the windpipe (trachea) and the base of the tongue. When the cords are relaxed, the air passes between them without sound; but at will the small muscles guiding the cords can be set tighter, so that as the air passes they vibrate and produce sound. The difference in pitch is created by the degree of tension of these cords; when they are loosely set, a low note results; when tighter, a high one. With the assistance of the upper part of the throat (the pharynx), the cavity of the mouth, the tongue and the lips, these sounds are modified into spoken words. A good voice and the ability to speak clearly and distinctly are of such incomparable value in after life that especial effort should be made by teachers in training the voice. With the advent of the Kindergarten, where the child comes earlier than formerly under school training, Fig. 25. The Larynx And Adjacent Parts, Seen From Above. and with the knowledge that the teacher should possess of the great improvement persistent effort and patience will bring about in the speech of children, the coming generation should show decidedly less defectiveness of this kind. The child is able to talk fairly well by the time he reaches the school, having begun usually at from twelve to twenty months. Any child at two years of age who is not able to talk should be a subject for the physician to consider. The principal vocal defects noted are stuttering, stammering, lisping, drawling, hurried speech, thick and indistinct speech. Many of these affections are inherited, and usually manifest themselves when the child is from three...

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated.1904 Excerpt: ... CHAPTER IX The Vocal Organs The voice is the sound resulting from the passing in and out of the air over the vocal cords, two fo...

Format:PaperbackDimensions:40 pages, 9.69 × 7.44 × 0.08 inPublished:February 6, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217350968

ISBN - 13:9780217350969

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