CONTENTS 



Chapter Page 



INTRODUCTION 1 



I. THE CALL FOR OXYGEN 3 



II. THE ACCESS TO OXYGEN 9 



III. THE FORCES ACTING IN THE TRANSPORT 



OF OXYGEN (AND C0 2 ) THROUGH LIVING 

 TISSUES 17 



IV. RESPIRATION IN WATER 21 



V. EMERGENCY RESPIRATION. THE TRANSI- 

 TION TO AIR BREATHING 44 



VI. RESPIRATION IN AIR 52 



VII. THE RESPIRATORY FUNCTIONS OF BLOOD 88 



VIII. TRACHEAL RESPIRATION 114 



IX. CONCLUDING REMARKS 144 



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