10 



CONTENTS 



PART III. HUMAN PHYSIOLOGY 



CHAPTBB PAGE 



XXVII. Foods 317 



XXVIII. Digestion and Absorption 330 



XXIX. The Blood 344 



XXX. CiRCDLATION 350 



XXXI. Muscles 362 



XXXII. The Skeleton , . 371 



XXXIII. Respiration 380 



XXXIV. Excretion 391 



XXXV. The Nervous System 400 



XXXVI. The Senses 419 



Appendix 429 



Index .,.ooe 431 



