Relier Pairs Oral CavityVersion en ligne Emparejar correctamente cada pregunta de la columna izquierda con su respuesta adecuada de la columna derecha. par Yilder Mobo Arias 1 How does the movement of the lower jaw affect speech production? 2 What parts of the oral cavity are considered fixed boundaries? 3 How does the velum (soft palate) influence sound production? 4 What is the main role of the oral cavity in speech production? 5 What about Articulatory Phonetics? The oral cavity is crucial for the articulation of speech sounds. It can raise or lower, controlling the flow of nasal air. This is essential for distinguishing between nasal sounds. This knowledge allows phoneticians to classify sounds based on place and manner of articulation. They include the teeth (front), the hard palate (top), and the pharyngeal wall (back). It affects the size of the oral cavity and the position of the lips and tongue.