XVlll 



CONTENTS 



D. Extent of Respiratory Exchange 



E. Ventilation . 



F. Asphyxia 



PAGE 



547 

 548 

 548 



Voice. 



A. Structure of the Larynx 



B. Physiology of Voice . 



550 

 552 



SECTION VII. 

 Excretion of Matter from the Body. 



SECTION VIIL 

 The Regulation of Growth and Function. 



I. Heredity .... 

 II. The Nervous System 

 III. Chemical Regulation : The Endocrinetes 

 Developed — 



(a) From the Nervous System — 



1. Chromaffin Tissue 



2. Hypophysis . 

 {h) From the Buccal Cavity — 



3. Thyreoid 



4. Pituitary 

 (c) From Intestinal Mucosa- 



5. Pancreas 



6. Mucosa of Small lutestiue 



586 



587 

 588 



590 

 594 



595 

 599 



601 

 601 



