In this interactive object, learners examine the locations of major body cavities and their protective membranes. A drag-and-drop exercise completes the activity.

In this interactive object, the learner views examples of the neutral position of the back and compares that stance to the flat back and swayback positions. A brief quiz completes the activity.

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

Learners match respiratory drug actions to the appropriate drug category.