Labels:bag | bulletin board | car | chair | door | earth | fence | person | plaything | stop sign | subarachnoid space | windowpane OCR: M. AKING SOUNDS WITH THE LARYNX "HE PITCH of a sound IS determined by the length and tension of the vocal cords in your larynx. Ac air from your lungs passes over the vocal cords, they start to vibrate. This makes sound ata pitch that varies with the state the vocal cords and the speed a which they vibrate. HIGH- PITCHED SOUNDS The larvnx contracts tightening and shortening the vocal cords Vocal cords Epiglottis As air from the lungs passes over them. the cords vibrate quickly producing a high pitched sound LOWPITCH HGHPITCH
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