In this interactive learning activity, learners review the terms used to describe relative position of body parts in order to have a common set of words to describe their position.

Students identify the various regions of the human body through drag-and-drop exercises.

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.

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

In this animated activity, learners explore three major methods of heat transfer and practice identifying each.

Learners read a brief introduction to monosaccharides, disaccharides, and polysaccharides. The processes for dehydration synthesis and hydrolysis are shown.

In this animated object, learners examine neutral fats, phospholipids, and cholesterol. The molecular formula and general function for each are shown.

In this animated object, learners read an introduction to protein structure and function.

Students identify the parts of a triple beam balance and practice measuring the mass of objects.

Learners view an explanation of how to read a graduated cylinder by measuring the lowest portion of the meniscus. A quiz completes the activity.

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, learners identify the parts of an animal cell and its organelles.