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Tuesday, January 22, 2019

The Speech Organs

Week 2  Second Term. 


Topic : The Speech Organ


All the sounds of English are made using air on its way out from the lungs. The lungs pull in and push out air, helped by the diaphragm. The air goes out through the trache, where the first obstruction it meets is the larynx. 


Inside the larynx the air passes by the vocal folds which if they vibrate, make the sound voiced.. After the air goes up through the pharnyx, it escapes either through the oral or the nasal cavity . 


 Almost all the organs involved in speech production also have other functions.   The lungs and the diaphragm are obviously involved in breathing, as well as in the nasal activities.


There are four places in which sounds can be modified. 


  • Nasal cavity 
  • Oral cavity 
  • Pharynx
  • Lips




The organs involved in speech productions are 

  • The teeth 
  • Tongue 
  • Lips 
  • Nasal cavity 
  • Oral cavity 
  • Pharynx 
  • Larynx
  • Trachea 
  • Lungs
  • Diaphragm



The upper lip, teeth, alveolar ridge, hard palate, soft palate, uvula, and pharynx wall are passive articulators. The most important active articulator is the tongue as it is involved in the production of the majority of sounds. The lower lip is another active articulator. But glottis is not an active articulator because it is only a space between vocal folds.



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