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Vogel S. — Vital Circuits: On Pumps, Pipes, and the Working of Circulatory Systems
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Íàçâàíèå: Vital Circuits: On Pumps, Pipes, and the Working of Circulatory Systems
Àâòîð: Vogel S.
Àííîòàöèÿ: Most of us think about our circulatory system only when something goes wrong, but the amazing story of how it goes right—"magnificently right," as author Steven Vogel puts it—is equally worthy of our attention. It is physically remarkable, bringing food to (and removing waste from) a hundred trillion cells, coursing through 60,000 miles of arteries and veins (equivalent to over twice around the earth at the equator). And it is also intriguing. For instance, blood leaving the heart flows rapidly through the arteries, then slows down dramatically in the capillaries (to a speed of one mile every fifty days), but in the veins, on its way back to the heart, it speed up again. How?
In Vital Circuits, Steven Vogel answers hundreds of such questions, in a fascinating, often witty, and highly original guide to the heart, vessels and blood. Vogel takes us through the realm of biology and into the neighboring fields of physics, fluid mechanics, and chemistry. We relive the discoveries of such scientists as William Harvey and Otto Loewi, and we consider the circulatory systems of such fellow earth-dwellers as octopuses, hummingbirds, sea gulls, alligators, snails, snakes, and giraffes. Vogel is a master at using everyday points of reference to illustrate potentially daunting concepts. Heating systems, kitchen basters, cocktail parties, balloons—all are pressed into service. And we learn not only such practical information as why it's a bad idea to hold your breath when you strain and why you might want to wear support hose on a long airplane flight, but also the answers to such seemingly unrelated issues as why duck breasts (but not chicken breasts) have dark meat and why dustaccumulates on the blades of a fan.
But the real fascination of Vital Circuits lies neither in its practical advice nor in its trivia. Rather, it is in the detailed picture we construct, piece by piece, of our extraordinary circulatory system. What's more, the author communicates not just information, but the excitement of discovering information. In doing so, he reveals himself to be an eloquent advocate for the cause of science as the most interesting of the humanities. Anyone curious about the workings of the body, whether afflicted with heart trouble or addicted to science watching, will find this book a goldmine of information and oelight.
ßçûê:
Ðóáðèêà: Òåõíîëîãèÿ /
Ñòàòóñ ïðåäìåòíîãî óêàçàòåëÿ: Ãîòîâ óêàçàòåëü ñ íîìåðàìè ñòðàíèö
ed2k: ed2k stats
Èçäàíèå: 1st edition
Ãîä èçäàíèÿ: 1992
Êîëè÷åñòâî ñòðàíèö: 315
Äîáàâëåíà â êàòàëîã: 06.09.2009
Îïåðàöèè: Ïîëîæèòü íà ïîëêó |
Ñêîïèðîâàòü ññûëêó äëÿ ôîðóìà | Ñêîïèðîâàòü ID
Ïðåäìåòíûé óêàçàòåëü
Feedback 218 277 see "Negative "Positive
Feedback and pituitary gland 247
Feedback, delay in loops 223—224
Feedback, diagrams for 216—219
Feedback, history 228—229 234
Feminism, biology as 55—56
Fetus, blood 34 161 163 164
Fetus, circulation 34—36 46 76
Fibrin, fibrinogen 240 277
Filarial worms 209 277
Filtration 287 see
Filtration from capillaries 204—205 207
Filtration in kidneys 243—244
Filtration, lymph, origin of 207
Fishes as ancestors 11—12
Fishes, circulation 11—14 246
Fishes, coronary arteries 38
Fishes, countercurrent exchangers 189 192
Fishes, gills 11—13 38 192 246
Fishes, heartbeat rate changes 146 150
Fishes, refilling heart 150
Fishes, renal portal system 247—249
Fishes, stroke volume changes 146 150
Fishes, warm muscles 178 189—190
Flagella, sponges 137 140
Flow see also "Flow speeds" "Fluids"
Flow across capillary walls 205
Flow of air vs. water 82
Flow speeds across pipe 89—90
Flow speeds and Reynolds number 81
Flow speeds of micropumps 136
Flow speeds of molluscan gills 137
Flow speeds of sponges 137
Flow speeds, adrenalin and 55
Flow speeds, aorta, human 16 79
Flow speeds, capillaries, human 16 79
Flow speeds, cerebrospinal fluid 250
Flow speeds, gradients of 90—91 92—93
Flow speeds, various vessels 17
Flow, laminar vs. turbulent 80—82
Flow, parabolic 138 199
Flow, plug 139—140
Flow, sheet 199
Flow, skimming 202
Fluids 59 71 277 see "Gas" "Liquids"
Fluids in compressibility 74—75
Fluids, density of 74
Fluids, viscosity of 59
Flying vs. body size 112
Flying, energetic cost 7 172
Flying, insects 7
Flying, oxygen demand 7 172
Food see also "Cooking" "Meat"
Food, fat as 263—264
Food, heart as 27 38—40 175
Food, plants as 263—264
Food, sources of energy 262—265
Force vs. energy 253
Force vs. pressure 60
Force vs. stress 123
Force vs. tension 119
Frank, Otto, heart regulation 143
Frank, Otto, “Windkessel” model 117
Frogs 46 52 53 55 76 83 85 196 203 see
Fur 179 182 231 235 282
G-suit 66—67
Galen 44 45 51 176
Gas 71 277 see specific
Gas, diffusion in 102—103
Gas, transport in blood 7 15 155—167
Gauge pressure 63 277
Gill hearts 36—37
Gills 277
Gills, cephalopods 36—38
Gills, clams 136—138
Gills, fishes 11—13 38 192 246
Gills, snails 10
Giraffe, blood pressure 66—67
Giraffe, venous valves 130—131
Giraffe, vessel walls 66—67
Glucose in blood 15
Glucose in liver 44
Gradients 277
Gradients, concentration 90 102 111 155—157 165
Gradients, flow speed 90—91 92—93
Gradients, pressure 90
Gradients, temperature 90 175 183
Gravity, effect on blood pressure 65—68 70
Gull, countercurrent legs 187—189
Hagen — Poiseuille equation 84—90 116 139 199 277
Hales, Stephen 117
Harvey, William 43—50 75 116 130 132—133 195 248 257
Heart attack 144 278
Heartbeat rate (pulse) and cardiac output 146
Heartbeat rate (pulse) in exercise 146—147
Heartbeat rate (pulse) vs. air composition 221
Heartbeat rate (pulse) vs. body size 18 111
Heartbeat rate (pulse), birds 147
Heartbeat rate (pulse), control 51—55
Heartbeat rate (pulse), elephants 111
Heartbeat rate (pulse), fish 146
Heartbeat rate (pulse), humans 15 146
Heartbeat rate (pulse), hummingbirds 147
Heartbeat rate (pulse), shrews 146—147
Heartbeats per lifetime 18 266—267 268
Hearts see also specific Cardiac entries specific
Hearts as metaphor 5
Hearts as muscle 17 46
Hearts as muscular squeezer 20—22
Hearts as pump 10—14 20—22
Hearts, amphibians 76—77 83—85
Hearts, ascidians 24 135—136
Hearts, atria, role 22—23
Hearts, atrioventricular node 54
Hearts, birds 76 111
Hearts, blood content 15
Hearts, blood supply, relative 242—243
Hearts, blood, mixing of 83—85
Hearts, breathing, influence on 150—151
Hearts, chambers 14
Hearts, control 51—55
Hearts, crocodilians 76—77 83—84
Hearts, function, old view 44
Hearts, heat production 176
Hearts, hydraulic action 60 148 243 248
Hearts, intrinsic activity 51
Hearts, location, climbing snakes 68
Hearts, location, in circuits 10—14
Hearts, location, mammals 29
Hearts, mammals 76
Hearts, motion in body 149 150
Hearts, murmur 33 82
Hearts, myo- vs. neurogenic 51 54
Hearts, pacemaker 54
Hearts, peristaltic 24 135—136
Hearts, power in and out, human 16
Hearts, pressure see Blood pressure
Hearts, purchasing 26—27 40
Hearts, refilling 147—150
Hearts, regulating 142—147
Hearts, reptiles 76—77 83—84
Hearts, reversing 135—136
Hearts, shrews 146—147
Hearts, sinoatrial node 54
Hearts, size, relative 110—111
Hearts, sounds 24 33 82
Hearts, structure 28—34
Hearts, Valsalva maneuver 151
Hearts, valves 17 25 26
Hearts, weight, human 16
Heat 278 see "Temperature"
Heat conduction see "Thermal conduction"
Heat exchangers 9 11 184—192
Heat exchangers, general types 185
Heat exchangers, household 9 11
Heat exchangers, nature vs. technology 184—185
Heat exchangers, use in pairs 184—185
Heat vs. temperature 175
Heat, autoregulation 177
Heat, driving diffusion 98
Heat, internal vs. external sources 230—231
Heat, loss vs. size 263
Heat, preventing movement of 187—192
Heat, production vs. loss 175
Heat, production, brain 176—177 249
Heat, production, metabolic 8 176
Heat, production, old view 44
Heat, production, various organs 176—177
Heat, transfer in blood 7
Heating systems, control of 215—217 223 228 229
Heating systems, types 9—12
Hematocrit 278
Hematocrit and blood viscosity 86 110 200
Hematocrit and body water 224
Hematocrit, human 15—16 86 110
Hematocrit, variation among vessels 202 204
Hemocyanin 278
Hemocyanin, cephalopods 169—171
Hemocyanin, occurrence 168
Hemoglobin 278
Hemoglobin and blood viscosity 86 110
Hemoglobin and Bohr shift 163 166
Hemoglobin and carbon dioxide 167
Hemoglobin and carbon monoxide 166—167
Hemoglobin vs. myoglobin 251—252
Hemoglobin, concentration, human 110 159
Hemoglobin, differences among animals 110
Hemoglobin, dissociation curves 160—162
Hemoglobin, instability 166
Hemoglobin, molecule 163 251
Hemoglobin, occurrence 159 168—169
Hemoglobin, oxygen avidity 160 162
Hemoglobin, oxygen carrying capacity 159—161 168—169
Hemoglobin, vertebrates without 159—160
Hemophilia 238 253 278
Hepatic portal system 246—247
Hibernation 178 180
Homeostasis 233—234
Hookean material 123—124 126 278
Hooke’s law 123 124 126
Hormones see also "Adrenalin" "Neurohormones"
Hormones in blood 7 15 55
Hormones, role 7
Horse, blood pressure 67
Humans, circulatory data 15—16 146
Humans, countercurrent devices 191
Humans, dissociation curve 161
Humans, exercise tolerance 170 182
Humans, hairlessness 182
Humans, heartbeats per lifetime 266—267 268
Humans, longevity 260—261 267
Humans, metabolic rate 8
Humans, metabolic scope 170
Humans, water compartment data 224—225
Hummingbirds, flying 112
Hummingbirds, heart 111
Hummingbirds, nightly torpor 178
Hydraulic action, heart 7 60 148 243 248
Hyperventilation 222
Hypotheses 97—98 136
Ice fish 159—160
Iguana, giant, diving 76 94 183
Inches of mercury (pressure) 62
Infarction 144 279
Inferior vena cava 279
Inferior vena cava of fetus 34—35
Inferior vena cava, location 28 32
Inferior vena cava, wall thickness 121
Information in control systems 217
Insects, circulatory systems 7 10—11
Insects, internal convection 183—184
Insects, tracheal pipes 7 106
Insects, warming for flight 178
Insulation 179—180 263
Internal environment 220
Interstitial fluid 279
Interstitial fluid and lymph 206
Interstitial fluid in brain 249
Interstitial fluid, fraction of body water 225
Intestine and hepatic portal system 246—247
Intestine to kidneys from 214
Intestine, heat production 176
Intestine, peristalis of 23
Joule (J) (energy) 18
Kidneys and blood composition 224
Kidneys and water loss compensation 225
Kidneys of marine fishes 244
Kidneys, filtrate, volume 243
Kidneys, function 242—244
Kidneys, heat production 176
Kidneys, how beer gets to 214
Kidneys, hydraulic operation 7 243—244
Kidneys, oxygen consumption 242
Kidneys, relative blood supply 243
Kidneys, renal portal system 247—249
Kidneys, secretion 253
Kidneys, skimming flow 202
Kidneys, urea excretion 242
Kidneys, weight 242
Kilocalorie, (kcal, Cal) (energy) 18
Krogh, August 66 106 203
Lactic acid, vasodilation 221 223
Laminar flow 279
Laminar flow and circulatory systems 82—84
Laminar flow and mixing of liquids 83
Laminar flow and Murray’s law 91—93
Laminar flow and Reynolds number 80—82
Laminar flow, Hagen — Poiseuille equation for 84—87
Laminar flow, parabolic flow 89—90
Laplace’s law and arteries 124
Laplace’s law and heart 143—145 147
Laplace’s law and small vessels 197
Laplace’s law and urinary bladder 120
Laplace’s law as metaphor 259
Laplace’s law, cephalopods 126
Laplace’s law, explained 118—120 279
Leaves, evaporative micropump 141
Leeuwenhoek, Antony van 196
Left atrium in fetus 35
Left atrium, location 28 29 31 77
Left ventricle in fetus 35
Left ventricle, blood pressure 69 115—116
Left ventricle, location 28 29 77
Left ventricle, output, human 15
Left ventricle, wall thickness 29—30
Legs, auxiliary pumping system 130—131
Legs, countercurrent exchangers, birds 187—189
Legs, pooling of blood in 131—132
Lipid see "Fat"
Liquids 71 279
Liquids, diffusion in 102
Liquids, incompressibility 17
Liver as energy store 44
Liver, blood supply 243—244
Liver, function, old view 44
Liver, functions 244—245
Liver, oxygen supply 246
Liver, protein release 225
Liver, weight 244
Llama 164
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