Dialogue

 1 Intro|    breath through the mouth and nostrils displaces the external air,
 2 Intro|    breath through the mouth and nostrils. The explanation of this
 3 Intro|   inhaled through the mouth and nostrils, on coming into contact
 4 Intro|      passages which lead to the nostrils and to the mouth. In the
 5 Intro|      exit, through the mouth or nostrils, and through the skin. When
 6 Intro|    exhaled through the mouth or nostrils, it leaves a vacuum which
 7 Intro|   exhalation from the mouth and nostrils. There is also a corresponding
 8 Intro| inhalation through the mouth or nostrils, and of exhalation through
 9 Timae|    passage of the mouth and the nostrils. Now the origin of this
10 Timae|     other through the mouth and nostrils, when it moves towards the