Sound | Tongue | Lips | Jaw | Teeth | Air | Vocal Chords |
---|---|---|---|---|---|---|
/z/ | The tongue is behind the teeth. | The teeth remain clenched. | The air flows through the tip of the tongue. | The vocal cords vibrate. | ||
/ə/ | The tongue remains forward and relaxed. | The lips relax. | The jaw drops. | The vocal cords vibrate. | ||
/s/ | The tongue is behind the teeth. | The teeth remain clenched. | The air flows through the tip of the tongue towards the edge of the teeth. | The vocal cords do not vibrate. |