BISC 101 Study Guide - Final Guide: Membrane Potential, Homeostasis, Cellular Respiration

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Specialized transport systems (ex. digestive/respiratory) /fluid (ex. blood) Links each cell with enviro: describe the hierarchical organization of complex animals. Specialized cells organized tissues organs organ systems: describe the 4 main types of tissues. Response limited to cells with specific receptors. Ex. growth/reproduction (mins, hours, days: describe signalling by neurons. Impulse travels down axon (after reaching action potential) to specific location. Synapse allows impulse other nerve cells. Response involves changes in membrane potential at specific target cells. Uses internal control mechanisms regulate/maintain homeostasis. Compares sensor input w set point then instructs effectors. Changes parameter return set point: give an example of negative feedback. Regulated changes in homeostasis = essential for normal body function: define hibernation. Regulation of heat production/heat exchange with environment. Body temp = (heat production/gain) - (heat loss: define endotherm. Heat mainly produced by metabolism (thermogenesis) & heat loss minimized by insulation (ex. fur/feathers: define ectotherm.

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