XIV 



CONTENTS 



CHAP . 



PAGE 



Haemolysis, 317. Colligative Properties of Whole 

 Blood, 320. Viscosity, 321. 



XXIII. INLAND TRANSPORT. 

 TION OF THE BLOOD 



THE RESPIRATORY FUNG 



XXVIII. OVERSEAS TRANSPORT. THE VOICE 



I. Phonation, 404-409. Mechanism of Larynx, 404. 

 False and True Vocal Cords, 405. Notation, Frequency, 

 Pressure and Amplitudes of Air Waves of the Musical 

 Scale, 406. Pitch, 407. Overtones, 408. 



II. Speech, 409-412. Vowels, 409. Consonants, 410. 

 Work Done in Speaking, etc., 411-412. 



322 



Law of Henry, 322. Absorption Co-efficients. 323. 

 Gas-holding Power of Plasma, 324. Dissociation of 

 Oxy-hsemoglobin, 325. Nature of Union Between Og 

 and Hb, 326. Influence of Various Conditions on the 

 Dissociation of Oxy-hasmoglobin, 327-332 ; Transport 

 of Carbon-Dioxidei 332-339 ; Alignment Chart, 339 ; 

 Integrative Action of Plasma, 342. 



XXIV. INLAND TRANSPORT. LOADING UP . . . . 344 



Vital Capacity, 345. Effective Absorptive Surface of 

 Lungs, 346. Passage of Gas through a Membrane. 347. 

 Diffusion of CO.,, 348. Diffusion of Oxygen. 349. 

 Effect of Muscular Work, 351. Effects of Altered Air 

 Pressure, 352. Decompression, 356. 



XXV. INLAND TRANSPORT. THE CIRCULATION . . 360 



General Scheme, 360. Harvey's work, 362. Htemo- 

 dynamics, 363. Piezometry, 364-366. Work Done 

 by a Force-pump, 366. Work Done by Heart, 368. 

 Efficiency of the Heart, 371. Conditions for Maximal 

 Efficiency, 372. Form and Function, 373. Valves in 

 the Veins, 375. A.V. Valves, 376. Semi-kmar Valves, 

 377. Sounds of the Heart, 378. Angle of Origin of 

 Branch Vessels, 380. 



XXVI. INLAND TRANSPORT. THE ELECTROCARDIOGRAM 382 



Rheoscopic Frog, 382. Capillary Electrometer, 382- 

 384. Leads for Electrocardiograph, 384. String Gal- 

 vanometer, 385. Analysis of Records, 387. Monocar- 

 diogram, 387. Triangle Method of Analysis, 388. 

 Effect of H"*^ Concentration on Cardiogram, 388. 



XXVII. OVERSEAS TRANSPORT. EXTERNAL RESPIRATION 390 



Principle of Mechanism, 390. Structure of Lungs, 391. 

 Mechanics of Respiration, 892. Mechanics of Dia- 

 phragm, 393. Thoracic Respiration, 395. Mechanics 

 of Thorax, 397. Elasticity of Lungs, 398. Efficiency 

 of Lung Mechanism, 400. Effect of the Respiratory 

 Movements on Mass Movements of the Blood, 401. 

 Modifications of the Respiratory Act, 402. Influence 

 of Heart Action on Respiratory Movements, 402. 



404 



