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February 11 - • Invaginate inside surface area 4-Ways for...

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February 11 Epithelium: protective, secretory, polarized Connective Muscle: unique to animal kingdom Nervous: unique to animal kingdom All tissues are organized into organs and organs are organized into systems Animals: Organ Systems o Regulation and Maintenance Circulatory, Respiratory, Digestive, Excretory o Communication and Integration Nervous and Endocrine o Support and Movement Musculoskeletal o Defense Integumentary and Immune Surface area increases by the square of a side but volume increases by a cube of the side Coprophagy: poop eating 9253873 Gills has lamellae to increase surface area, then more water can pass over it to suck out more oxygen Evaginate: outside surface area
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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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February 11 - • Invaginate inside surface area 4-Ways for...

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