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Speech organs produce the sounds of language. Organs used include the lips, teeth, tongue, alveolar ridge, hard palate, velum (soft palate), uvula and glottis. Speech organs—or ''articulators''—are of two types: ''passive articulators'' and ''active articulators''. Passive articulators remain static during the articulation of sound.〔Rachael-Anne Knight(2012), Phonetics- A course book, Cambridge University Press, p.27〕 Upper lips, teeth, alveolar ridge, hard palate, soft palate, uvula, and pharynx wall are passive articulators. Active articulators move relative to these passive articulators to produce various speech sounds, in different manners. The most important active articulator is the tongue as it is involved in the production of the majority of sounds. The lower lip is other active articulator. But glottis is not active articulator because it is only a space between vocal folds. ==See also== * articulatory phonetics * vocal loading * places of articulation and manner of articulation * human anatomy 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「speech organ」の詳細全文を読む スポンサード リンク
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