Question

Briefly describe how volumes inhaled and exhaled differ between speech and non-speech breathing

Answer 1

Speech breathing requires fewer breaths per minute than quiet breathing.Speech requires greater volume,fewer breaths/minute than quiet breathing.Volume of air exchanged is greater in speech than quiet breathing.With longer exhalation duration,speech requires fewer breaths/minute than quiet breathing.With longer exhalation duration ,speech requires fewer breaths per minute than quiet breathing.The difference between speech and non breathing is based on the degree of automacity,air volume inhaled per cycle,ratio of time for inhalation/exhalation ,location of air intake and muscle activity for exhalation.Muscle ctivity for exhalation for quiet breathing are passive forces to promote exhalation during quiet breathing,relaxing inspiratory muscles,elastic recoil of lungs and rib cage,detorque and gravity.Muscle activity for exhalation during speech breathing are inspiratory and expiratory muscle atleast minimally active ,exhalation for speech .