172 



INDEX 



Lactic acid, 70 



, in divers, 82, 83 



Light organs, oxygen supply of, 123 

 Lungs, definition, 27 

 of birds, 70ff. 



— whales, 87 

 for water, 27 ff. 

 diffusion, 55ff., 114 

 ventilation, 61 ff. 

 surface measurements on, 59, 62, 



63 

 ventilation cost of, 52, 68 



— maximum, 68 



— mechanism, 64 



— regulation, 52, 65-66, 68 

 volume measurements on, 59, 62 



Metabolism, 3ff. 



in divers, 80, 82, 83 



— flight, 78, 129 

 maximal, 67 

 influence of activity on, 5, 6 



adverse conditions on, 7, 60 



oxygen supply on, 60, 80 



temperature on, 5, 7 



weight on, 4, 22, 24 



Myoglobin, 81, 102, 106 



Nitrogen in air, 9 



— , — air stores of insects, 135 



— , — caisson disease, 86 



— , — closed tracheal systems, 141- 



142 

 — , — water, 12 

 — , — whale blood, 87 



Oxygen in air, 9 



— bottom deposits, 14 



— plants, 11, 137 



— soil, 10 



— waters, 1 1 ff. 

 buccal absorption of, 31 

 intestinal absorption of, 28ff., 49 

 capacity of blood, 79, 81, 94, 95 

 convection transport of, 13, 24, 27, 



88 

 debt, 7, 69, 70, 79, 82, 83, 85 

 diffusion regulation, 122 



—, — transport, 17ff., 21ff., 55ff., 



115ff., 135 

 — , dissociation curves, 95ff., 110 

 — , indicators (flagellates), 25-26, 30 

 — , lack as respiratory stimulus, 61 

 — , microstratification of, 15, 29, 45 

 — , secretion, 17 

 — , store in body of diver, 81 

 — -, tensions, 12 

 — , — of loading and unloading, 96ff., 



106, 110 

 — , utilization, 35, 36, 37, 38, 40, 42, 



52, 112 



Pseudobranchia, 92 



Respiration, see Gills, Lungs, Tracheal 

 respiration 



Size limits, 21 ff., 55, 128, 133 



Spiracles, 59, 118ff., 128 



— , hydrophobe, 138 



— , for insertion in plants, 137ff. 



Swimming bladders, 17, 28, 98 



— - — , as respiratory organs, 49ff. 



Tracheal arrangement, 115, 122, 124, 

 126, 127, 137 

 diffusion of 2 , 115ff., 133ff. 



— regulation, 118ff. 

 dimensions, 116, 124ff. 

 gills, 139ff. 

 lungs, 55ff., 114 

 respiration, 114ff. 



— from aquatic plants, 1 36ff. 



— in water, 132ff. 

 rigidity, 116, 138, 142 

 ventilation, 124ff., 134 



— during flight, 129ff. 



— in legs, 117, 127 



— regulation, 131, 143 



— unidirectional, 128 

 Tracheoles, 116, 121 IT. 



Water loss, see Evaporation 

 Work in man, 66ff. 



, at high altitudes, 102 



■ , heat regulation during, 7 



