Question

Draw ablock diagram illustrating the switched model of human speech production and briefly describe each block What is wrong with this simple model? (c)

Answer 1

Nasal cavity Nostils Nelum Pharymx Laypx Mouth Lips Cavity Tongue himp Vocal Coyds Trachea & b1onchial tubes Lang's Muscle forees Nasal cavity is filled Space cuhich is a Tt is a localad above and behind the no se divided in to tuo fossae the Cavity Spae rand s by nasal septum .Gpening t nasal cavity is nostrils The mouth has two regions - vestibule and the oval cavity cand mouth is mormally appeared lined with ay moist and mucous mem brane clesing dmouth velum is by using Ups membraneous structure , partly opening is a obscuring am

Pharynx is present behind the mouth and it is part o thaoat t is Cund respiva tory system. It helps in the process f breathing by llowing mose to mouth to larynx part both dgestive a the movement d air from fanction filed ongans having So it is the main part drespira tory main Lungs Yespiration System air aYe as expelled fron lungs Speech signal and exa tes vo cal Cords uhich produces seauen ce Sounds Lungs production Spech signals paoduces variety sounds by mani pula ting airflaw Using lips , Longues ete. Soumd fenεταt e The brain are also involved in the proces s Crealed whem aiy Sous Ce and diaphram act as Glotis and larynx the is it is mot included. Also dag ramm air expelled fro leungs the But in the chasacteristics f Can be changed by vocal tract contra ction and noises Can alter Speech production. Yelaxation. Also For each person Sound Crea ted unigue ly.