Reviews a range of developments in methodology for studying digestive physiology including comparative anatomy, fistulas and canals, imaging, electromyography, and tracers. Exercises for gathering firsthand data on the use of tracers, analyzing secondhand data on tracers, and interpretation of comparative anatomy of bird stomachs are given as…

The construction of a wooden model of the musculoskeletal system which can be used to investigate the physical properties of muscles without sacrificing laboratory animals is presented. Six activities are included with answers. Additional activities are suggested. (CW)

In a number of states, students from kindergarten through high school have won the right to refuse to dissect or kill animals and the right to substitute an alternative project. This booklet was designed to help college science students take an ethical stand by refusing to participate in dissection exercises. The booklet begins with an overview of…