In this animated object, learners examine how the sensory, motor, mixed, and reflex nerves work in the human body.

Learners examine the structure and function of skin including the production of melanin.

In this screencast, learners categorize different metabolic activities as catabolic or anabolic and follow a glucose molecule through the processes of glycolysis, aerobic respiration, and fermentation.

In this animated activity, learners view the various hand, arm, and shoulder muscles in action. The students test their knowledge of the location of the muscles in a drag-and-drop exercise.

The user completes a fill-in-the-blank exercise to review the anatomy of the heart.

In this screencast, students identify various muscles of the face and scalp and see them in action.

Learners read about the role of water, the basic physiology of water balance, and the effects of dehydration particularly on elderly clients. Tips for maintaining proper hydration are presented. In an interactive exercise, students calculate how much fluid a client needs based on his/her age, health, and weight.