CHAPTER V 



THE RESPIRATORY ORGANS 



In the act of inspiration the air }3asses in through the nostrils 

 (or sometimes through the open mouth) and traverses, first, 

 part of the pharynx, and then the larynx and trachea before 



, 156. Larynx, trachea and bronchi 

 (after Allen Thomson, from Halli- 

 burton). /( hyoid bone, e epiglottis, 

 t and t' thyroid cartilage, e cricoid 

 cartilage, tr. trachea, b and b' 

 bronchi. 



