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Unformatted text preview: • Invaginate: inside surface area 4-Ways for Heat Exchange • Ectotherm: amphibians and reptiles, get heat from environment • Endotherm: mammals and birds, maintain constant body temperature o Insulation: Feathers, fur and blubber • Most animals aren’t endothermic Hypothermia: a decrease in core body temp reducing normal muscle and cerebral functions, “metabolic icebox” person looks dead but is alive Torpor : allows body temperature to drop, store a lot of energy and then enters state of hibernation • Brown fat is rich in mitochondria • Thermogenin: uncouple oxidative phosphorylation in mitochondria, energy is used as heat instead of make ATP...
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- Winter '11
- Energy, Adenosine triphosphate, 9253873 Gills