103 Pathways of Carbohydrate Metabolism: Glycolysis 184 



104 Pathways of Lipid Metabolism: Mammals 186 



105 Metabolic Interrelationships: Carbohydrate, Fat, and Protein 188 



106 The Krebs Cycle I89 



107 Activity-Metabolism: Muscle 19q 



108 The Cytochrome System 1^1 



109 Pathways of Iron Metabolism: Mammals 192 



110 Pathways of Chlorophyll Synthesis I93 



1 1 1 The Nitrogen Cycle in Nature I94 



X END PRODUCTS OF METABOLISM 



Partition of Excreted Nitrogen: Animals I96 



Excretion of Nitrogen Compounds: Man 209 



Excretion of Lipids: Man 211 



Excretion of Vitamins and Hormones: Man 212 



Excretion of Miscellaneous Organic Compounds: Man 213 



Excretion of Electrolytes and Minor Minerals: Man 214 



Products of Carbohydrate Metabolism: Molds 215 

 Products of Carbohydrate Metabolism as Affected by Change in pH: 



Yeasts and Bacteria 220 

 Products of Carbohydrate Metabolism of Industrial Importance: Bacteria iZO 



Metabolic Products of Bacteria: Anaerobic Fermentation of Glucose 221 



XI O2 CONSUMPTION. CO2 PRODUCTION: ANIMAL TISSUES, ORGANISMS 



122 Oxygen Consumption: Blood Formed Elements, Marrow, Spleen. Lymph 



Nodes. Thymus 222 



123 Oxygen Consumption: Epithelium and Associated Tissues 222 



124 Oxygen Consumption: Gland Tissues 223 



125 Oxygen Consumption: Lung 223 



126 Oxygen Consumption: Liver 224 



127 Oxygen Consumption: Miscellaneous Tissues. Comparative 224 



128 Oxygen Consumption: Miscellaneous Tissues, in the Presence of Various 



Substrates 225 



129 Oxygen Consumption: Muscle 225 



130 Oxygen Consumption: Neoplasms. Benign, and Hyperplastic Tissue 226 



131 Oxygen Consumption: Neoplasms. Malignant 226 



132 Oxygen Consumption: Nerve Tissue. Including Retina 227 



133 Oxygen Consumption. Nerve Tissue: Dog 228 



134 Anaerobic Glycolysis, Nerve Tissue: Cat, Dog 228 



135 Oxygen Consumption: Reproductive Tissues. Including Gonads and Sperm 229 



136 Oxygen Consumption: Reproductive Tissues, Placenta, Membranes, 



and Embryo 229 



137 Correlation of O^ Consumption with Body Size: Invertebrates 230 



138 Oxygen Consumption: Endoparasitic Helminths 231 



139 Oxygen Consumption: Parasitic Protozoa 232 



XII O2 CONSUMPTION, CO^ PRODUCTION: PLANT TISSUES, ORGANISMS 



140 Rates of Respiration: Leaves 233 



141 Rates of Respiration: Roots, Rhizomes, Tubers, Bulbs 234 



142 Rates of Respiration: Seeds 235 



143 Rates of Respiration: Fruits 236 



144 Rates of Respiration: Mosses, Ferns 237 



145 Rates of Respiration: Fungi, Lichens 238 



146 Rates of Respiration: Algae 239 



147 Oxygen Consumption: Bacterial Suspensions 240 



Xm ENERGY EXCHANGE 



148 Basal Metabolism: Man, U.S.A. 241 



149 Comparison of Standards of Basal Metabolism: Man 242 



150 Basal Metabolism: Vertebrates 244 



151 Basal and Resting Energy Metabolism: Beef Cattle 245 



152 Resting Energy Metabolism: Dairy Cattle 246 



153 Resting Energy Metabolism: Goats 247 



154 Basal and Resting Energy Metabolism: Guinea Pigs 247 



155 Resting Energy Metabolism: Horses 248 

 i56 Resting Energy Metabolism: Mules 249 



157 Basal and Resting Energy Metabolism: Rats 250 



158 Resting and Fasting Energy Metabolism: Swine 251 



159 Resting and Fasting Energy Metabolism: Chickens 252 



160 Metabolic Rates: Soil Organisms 253 

 BIBLIOGRAPHY 255 

 INDEX 365 



