xii CONTENTS. 



PAGE 



Sec. 5. The Respiratory Changes in the Tissues . . . . . . 348 



Sec. 6. The Nervous Mechanism of Respiration 358 



Sec. 7. The Effects of Respiration on the Circulation 304 



Sec. 8. The Effects of Changes in the Air breathed 375 



The effects of deficient air. Anphyxia. Phenomena of asphyxia, 

 p. 375. The circulation in asphyxia, p. 378. The effects of an 

 increased supply of air. Apnoea, p. 380. The effects of changes 

 in the composition of the air breathed, p. 380. The effects of 

 changes in the pressure of the air breathed, p. 381. 



Sec. 9. Modified Respiratory Movements 382 



Sighing, Yawning, Hiccough, Sobbing, Coughing, Sneezing, 

 Laughter and Crying, p. 382. 



CHAPTER III. 



SECRETION BY THE SKIN, pp. 384 391. 

 The nature and amount of Perspiration, p. 385. Cutaneous 

 Eespiration, p. 386. The Secretion of Perspiration, p. 387. The 

 Nervous Mechanism of Perspiration, p. 388. Absorption by the 

 Skin, p. 390. 



CHAPTER IY. 



SECRETION BY THE KIDNEYS, pp. 392 414. 



Sec. 1. The Composition of Urine 393 



Sec. 2. The Secretion of Urine 397 



The relation of the secretion of urine to arterial pressure, p. 398. 

 Secretion by the renal epithelium, p. 404. 



Sec. 3. Micturition 410 



CHAPTER Y. 



THE METABOLIC PHENOMENA OF THE BODY, pp. 415 478. 



Sec. 1. Metabolic Tissues 416 



The History of Glycogen, p. 416. Diabetes, p. 424. The History 

 of Pat. Adipose Tissue, p. 426. The Mammary Gland, p. 429. 

 The Spleen, p. 432. 



Sec. 2. The History of Urea and its allies 436 



Sec. 3. The Statistics of Nutrition 443 



Comparison of Income and Output, p. 446. Nitrogenous Meta- 

 bolism, p. 449. The effects of Fatty and of Carbohydrate Food, 

 p. 453. 



Sec. 4. The Energy of the Body 457 



The income of energy, p. 457. The expenditure, p. 458. Tho 

 (sources of Muscular Energy, p. 459. The sources and distribution 

 of Heat, p. 461. Eegulation by variations in loss, p. 464. Regu- 

 lation by variations in production, p. 465. 



Sec. 5. The Influence of the Nervous System on Nutrition . . . - 470 



Sec. 6. Dietetics . 474 



