viii CONTENTS 



PAKT II. 

 SPECIAL PHYSIOLOGY. 



CHAPTER III. 

 THE CIRCULATION OF THE BLOOD. 



PAGE 



I. The Capillary Circulation and the Movements of the Heart . . 73 



II. The Apex Beat and the Heart Sounds ........ 79 



III. The Flow of Liquid through Tubes under Constant Pressure . . 81 



IV. The Flow of Liquids through Tubes under the Influence of Inter- 



mittent Pressure 84 



V. The Laws of Blood Pressure Determined from an Artificial Cir- 

 culatory System 86 



VI. The Radial Pulse and the Sphygmogram 88 



VII. To Determine the Arterial Blood Pressure in an Animal .... 91 



VIII. The Sphygmomanometer and Pulse Pressure 93 



IX. To Determine the Influence of the Vagus Nerve upon the Action 



of the Heart 95 



X. To Determine the Influence of the Cardiac Sympathetic Nerves 



upon the Action of the Heart 97 



XI. The Influence of the Vagus and the Cardiac Sj^mpathetic upon 



the Arterial Blood Pressure . . 98 



XII. The Blood Pressure in the Tissues ... .... . . . 99 



XIII. The Action of Atropine upon the Heart . .""-. 101 



XIV. The Action of Pilocarpine upon the Heart 102 



XV. The Action of Digitalis upon the Heart 103 



XVI. The Action of Aconite upon the Circulation 104 



XVII. The Action of Adrenalin upon the Circulation 104 



CHAPTER IV. ' 

 RESPIRATION. 



I. Thoracic Movements. Intrathoracic Pressure 106 



II. Respiratory Pressure. Elasticity of the Lungs. Pneumatogram . 108 



III. To Study the Movements of the Human Thorax 110 



IV. Lung Capacity (Chest Measurements, Respiratory Pressure). 



Recording of Anthropometric Data 113 



V. The Evaluation of Anthropometric Data 115 



VI. Quantitative Determination of the CO 2 and H 2 O Eliminated from 



an Animal's Lungs in a Given Time 117 



VII. To Determine the Amount of Oxygen Consumed by an Animal in 



a Given Time 119 



VIII. The Respiratory Quotient 121 



IX. Respiration under Abnormal Conditions 123 



X. To Determine the Influence of the Phrenic Nerve The Normal 



Phrenogram 125 



