A rheostat controls the light intensity coming from the incandescent lamps in the instrument heads, and the battery handle utilizes a bayonet for chan...
NewPath’s Human Body III: Maintaining Life Curriculum Learning Module provides a complete set of visual, digital and hands-on resources designed to su...
NewPath’s Human Body I: Moving and Controlling the Body Curriculum Learning Module provides a complete set of visual, digital and hands-on resources d...