Vlll CONTENTS. 



PAGE 



THE CIRCULATION OF THE BLOOD (Continued). 



The Veins, 186 



The Action of the Heart, 189 



The Sounds of the Heart 194 



The Impulse of the Heart, 196 



Endocarcliac Pressure, 198 



Frequency of Heart's Action, ......... 203 



Blood Pressure, ............ 205 



The Arterial Flow, 21:3 



The Pulse, 215 



The Capillary Flow, 222 



The Venous Flow, 224 



The Velocity of the Flow, 225 



Local Peculiarities of the Circulation, 228 



Regulation of the Flow, 231 



Proofs of the Circulation of the Blood, 249 



CHAPTER VII. 



RESPIRATION, 251 



The Respiratory Apparatus, .......... 252 



The Respiratory Mechanism, 261 



Respiratory Changes, ........... 271 



Special Respiratory Acts, .......... 278 



Nervous Mechanism, ........... 281 



Effect on Circulation, 287 



Asphyxia, 292 



CHAPTER VIII. 



SECRETION, 297 



Organs and Tissues of Secretion, ......... 298 



Secreting Glands, 302 



The Mammary Glands, 306 



Milk, 309 



The Ductless Glands and Internal Secretions, ...... 312 



CHAPTER IX. 



FOOD AND DIGESTION, 326 



Organic Nitrogenous Foods, 326 



Organic Non-Nitrogenous Foods, ......... 329 



Mineral Foods, . 329 



Liquid Foods, 330 



Enzym'es, 331 



The Mouth and Mastication, 332 



The Salivary Glands, 333 



Saliva, . 337 



The Tongue, 346 



The Pharynx, 349 



The (Esophagus 351 



Deglutition 352 



