In this interactive object, learners identify a person's regional body parts.

In this animated activity, learners examine how organs are visualized in three dimensions. The terms “longitudinal,” “cross,” “transverse,” “horizontal,” and “sagittal” are defined. Students test their knowledge of the location of abdominal pelvic cavity organs in two drag-and-drop exercises.

Learners examine what defines a fungus and read how fungi differ from animals and plants.

Learners match diseases with their portals of entry, causative agents, and associated vectors.