iii CONTENTS 



Page 



7. THE ORGANS OF KESPIRATION AND THE RESPIRATORY PROCESS 



DESCRIPTION OF THE RESPIRATORY PROCESS- - - 482 



The Lungs - - 484 



The Larynx - 485 



The Trachea - 485 



The Bronchi - - 486 



The Air-Ceils - - 486 



EFFECTS OF RESPIRATION - . 487 



Composition of the Air - - 487 



Air after Respiration - - 488 



Air-changes in the Blood . 489 



THE MECHANISM OF RESPIRATION . . - 491 



The Nerves and Nerve-Centres of Respiration - - 494 



ASPHYXIA - ... 494 



VENTILATION - .... 495 



DISEASES OF THE RESPIRATORY ORGANS - 497 



Catarrh or Cold 497 



Chronic Nasal Catarrh Nasal Gleet - 499 



Hemorrhage - - 501 



Bleeding from the Nose Epistaxis - 503 



Pus in the Guttural Pouches - 504 



Diseases of the Larynx - 507 



Laryngitis - .... 507 



Roaring and Whistling - 510 



