Introduction to English Phonetics : Chapter First: The Organs of Speech
The Organs of Speech and Its Three Systems The organs of the human body that we use for speaking are together called organs of speech. But speech is the secondary function of these organs and their primary functions are breathing, chewing, eating, smelling and tasting. The organs of speech and their speech function can be described under the three systems: the respiratory system, the phonatory system and the articulatory system. The Articulatory System/ Articulatory Phonetics: When we speak, we produce sounds. But not all sounds are the same. When we speak , the chest muscles produce an air flow. This air flow goes through an area we call the larynx. There are muscles in the larynx that modify this air flow. Then, this air flow goes through the vocal tract , which ends at the mouth and nostrils and we listen to speech sounds. This is how the air which comes from lungs escapes into the atmosphere. But why are the sounds produced diffe...