CONTENTS xvii 



PAGE 



limit. Alimentary glycosuria. Diabetes. Absorption of proteins. 

 Absorption of fats. Absorption from large intestine. Food re- 

 quirement of the Body. Liberation of energy in the Body. Rela- 

 tive food values. Nitrogen equilibrium. Carbon equilibrium. 

 Source of body fat 442 



CHAPTER XXXI 



EXCRETION AND THE EXCRETORY ORGANS 



Exogenous and endogenous excreta. Channels of excretion. Liver as an 

 excretory organ. Arrangement of urinary organs. Structure of 

 kidney. Blood-flow through kidney. Renal excretion. Compo- 

 sition of urine. Relation of renal blood-flow to urine secretion. 

 Skin. Hairs. Nails. Skin glands. Skin secretions. Bathing . . 462 



CHAPTER XXXII 



THE PRODUCTION AND REGULATION OF THE HEAT OF THE BODY 



Cold- and warm-blooded animals. Temperature of Body. Sources of ani- 

 mal heat. Maintenance of uniform temperature. Fever. Clothing 483 



CHAPTER XXXIII 



VOICE AND SPEECH 



Voice. The larynx. Vocal cords. Muscles of larynx. Vowels. Con- 

 sonants 491 



CHAPTER XXXIV 



REPRODUCTION 



Reproduction in general. Sexual reproduction. Accessory reproductive 

 organs. Male reproductive organs. Seminal fluid. Female repro- 

 ductive organs. Mammalian ovum. Ovulation. Menstruation. 

 Fertilization. Pregnancy. Parturition. Lactation. Infant feed- 

 ing. Puberty. Hormones of reproductive system. Stages of life. 

 Death 502 



Index 531 



