CONTENTS xvii 



limit. Alimentary glycosuria. Diabetes. Absorption of proteins. 

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

 quirement of t he 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 KXCRETORY 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 

 V. 



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 



