TABLE OF CONTENTS XVli 



PAGE 



3. Deglutition 279 



4. Movements of the Stomach 283 



A. Kneading Movements 283 



B. Evacuation of the Stomach . . . 285 



C. Vomiting . . . . . ; 286 



5. Movements of the Intestine 286 



Fourth Section: Digestion in the Different Divisions of the Alimentary Canal . 290 



1. Digestion in the Mouth . . 290 



2. Digestion in the Stomach 291 



3. Digestion in the Intestine . . . . . ... . . . 294 



4. Formation of Faeces and Defecation 298 



CHAPTER VIII. Absorption . 301 



1. Absorption in General . . , * 301 



2. Absorption of Carbohydrates 303 



3. Absorption of Fat . . ,,_ , 304 



4. Absorption of Proteid . .305 



5. Absorption of Mineral Substances 307 



CHAPTER IX. Respiration 310 



First Section: Movements of Respiration 310 



1. Elasticity of the Lungs and Intrathoracic Pressure 310 



2. Inspiration 312 



A. Registration of Respiratory Movements . 312 



B. Movements of the Ribs ... . .314 



C. Movements of the Diaphragm . . . . . . . . .316 



3. Expiration . . . . 317 



4. The Number of Respiratory Movements . . .' . . . . .318 



5. Exchange of Air in the Lungs . . . 319 



6. Concomitant Respiratory Movements . . . . . . . .321 



7. Special Forms of Respiratory Movements . . . . . . . 321 



8. Pressure Changes in the Respiratory Passages . . . . . .321 



9. The Respiratory Sounds . . .322 



10. Means of Protection for the Lungs . . . . . , . .323 



Second Section: Innervation of Respiration . . . . , . . . . 323 



1. The Efferent Nerves . . . . .... . . . .323 



2. The Respiratory Center . . . \ . . . , . . . . . 325 



3. Respiratory Reflexes " , ; . . . . . .327 



A. Reflexes through the Vagi 327 



B. Fibers from Anterior Parts of the Brain to the Medulla . . . 329 



C. Other Respiratory Reflexes 330 



4. Normal Stimulation of the Respiratory Center 331 



Third Section: The Blood Gases 333 



1. Absorption of Gases in Liquids . 334 



2. The Blood Gases .-...: . . . . .... 335 



A. Nitrogen and Argon , . 335 



B. Oxygen . . 335 



C. Carbon Dioxide . ' . . .337 



D. The Quantity of Blood Gases .339 



E. The Distribution of Blood Gases between Corpuscles and Plasma . 340 

 Fourth Section : The Respiratory Exchange of Gases . . . ..... 340 



1. Mechanism of Exchange between Blood and Alveolar Air . .... 340 





