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Figure 44.0 Fox in snow. Figure 44.1 Regulators and conformers. Figure 44.2 A partial energy and material bookkeeping for ten years in the life of a young woman. Figure 44.3 Heat exchange between an organism and its environment. Figure 44.3x Heat exchange.
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Figure 44.2 A partial energy and material bookkeeping for ten years in the life of a young woman
Figure 44.3 Heat exchange between an organism and its environment
Figure 44.4 The relationship between body temperature and ambient (environmental) temperature in an ectotherm and an endotherm
Figure 44.10 The thermostat function of the hypothalamus and feedback mechanisms in human thermoregulation
Figure 44.11 Body temperature and metabolism during hibernation of Belding’s ground squirrel
Figure 44.15 Anhydrobiosis: Hydrated tardigrade (left), dehydrated tardigrade (right)
Figure 44.17 Key functions of excretory systems: an overview
Figure 44.18 Protonephridia: the flame-bulb system of a planarian
Figure 44.22 The nephron and collecting duct: regional functions of the transport epithelium
Figure 44.23 How the human kidney concentrates urine: the two-solute model (Layer 1)
Figure 44.23 How the human kidney concentrates urine: the two-solute model (Layer 2)
Figure 44.23 How the human kidney concentrates urine: the two-solute model (Layer 3)
Figure 44.24 Hormonal control of the kidney by negative feedback circuits
Figure 44.25 A vampire bat (Desmodus rotundas), a mammal with a unique excretory situation