cavitas oris

Cavitas Oris – the entire structure is called the mouth, the structures within the mouth allow us to taste and masticate food, to swallow food and drink, and to manage the air that comes up from the voice box so that we can form words. Mouth resonance is used for a conversational vocal, color in singing and, in combination with nasal resonance, it creates forward placement or mask resonance. Larynx is the voice box and is also involved in sound production, breathing, and protection of the trachea from food which is aspirated. It has the vocal cords and manipulates volume and pitch. The pharynx is the most important resonator by virtue of its position, size, and degree of adjustability. It is the first cavity of any size through which the product of the laryngeal vibrator passes. The oral cavity is the second most effective resonator

Stedman’s Medical Dictionary, wikipedia

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