When undergraduate wet lab experiments are converted to multimedia simulations, opportunities become available for addressing old problems. The simulation described in this paper provides many of the same advantages that other lab simulations have in the past. However, "Frog Heart Physiology Lab" goes further. Lab activities were redesigned to achieve learning outcomes that were previously elusive. The distinguishing features of the simulation are described, along with examples of how the lab is used. When using the simulation, students are encouraged to generate and apply various methods of administering treatments, and to make better use of the resulting data.
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