x CONTENTS 



THE CIRCULATION OF THE BLOOD AND LYMPH (continued) PAGE 



Arterial blood-pressure - - 100 



Measurement of the blood-pressure in man - 104 



Velocity of the blood - - 108 



Measurement of velocity of blood in 



The volume-pulse - 116 



The circulation in the capillaries - 118 



The circulation in the veins - 121 



The circulation-time - - 123 



Work and output of heart 127 



The relation of the nervous system to the circulation - 128 



Intrinsic nerves of the heart - - 129 



Cause of the heart-beat - - 129 



Conduction and co-ordination in heart - - 134 



Auriculo-ventricular bundle - - 135 



Chemical conditions of heart-beat - 139 



Refractory period of heart - 141 



Extrinsic nerves of the heart - - 143 



Action of poisons on the heart - - 150 



Normal excitation of cardiac nervous mechanism - 152 



Vaso-motor nerves - 157 



Vaso-motor centres - 166 



Vaso-motor reflexes - 169 



Influence of gravity on the circulation - - 173 



The lymphatic circulation - 176 



CHAPTER III. 



RESPIRATION - - 206 



Blood-supply of lungs - 207 



Mechanical phenomena of respiration - - 209 



Types of respiration - 213 



Artificial respiration - 214 



Respiratory sounds - 216 



Frequency of respiration 218 



Vital capacity 220 



Intrathoracic pressure - 221 



Respiratory pressure - - 222 



Relation of respiration to the nervous system - - 223 



Apncea - - 231 



Automaticity of respiratory centre - 233 



Action of drugs on the respiratory centre 234 



Double vagotomy - 236 



Special modifications of respiratory movements - 238 



Chemistry of respiration - 240 



Ventilation - 243 



The gases of the blood - - 246 



Tension of blood-gases - - 256 



Seats of oxidation - 259 



