MODEL SYSTEM
what is an animal model non human species - mimic aspects of biological process or ds found in humans why are animals used in research anatomical and physiological similarities similar cell, molecule, genetic function can be manipulated to develop human ds what are advantages of using animal models for research cheap and easy to maintain - low maintenance easy to obtain, breed easy to scale up - large qty short life cycle obtain homogenous animal - less variability genetically, environmentally what are disadvantages of using animal models for research human system more complex human environment more complex , animal more controlled and pure human heterogenous - different age habits habitat behavior ethnic gender, animal homogenous - same some ds or behaviors cannot be replicated in animal - memory define animals multicellular org move voluntarily actively acquire food and digest internally have sensory and NS - respond rapidly to st...