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