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

In this animated object, learners examine water molecules moving through a semipermeable membrane.

In this animated and interactive object, learners examine ventilation, external and internal respiration, and gas transport.

In this animated object, learners are introduced to the structure and function of animal cell organelles.

In this learning activity you'll study the structure of the cell membrane and construct it using the correct molecules.

In this animated activity, learners examine the two major phases of cell division: mitosis and cytokinesis.

The student identifies the anatomical parts of the ear and learns the purpose and function of these parts. A review follows the lesson.

In this learning activity you'll review how every protein molecule of an organism is synthesized by that organism in a prescribed process. This activity helps students understand the fundamental life process of making protein.

In this animated and interactive object, learners identify the valves and chambers of the heart.

In this interactive object, learners sort antihypertensive medications into categories. Descriptions are provided.

In this screencast, learners review the parts of the gastrointestinal system and then check their knowledge in a matching exercise.

Explore the location, structure, and function of the juxtaglomerular (JG) apparatus.

In this learning object, students will learn about the attachment

process of specific sugars to red cell membranes and how the sugars

determine ABO antigenic activity.

In this animated and interactive object, learners examine ABO blood antigens and Rh antigens and their compatibility.

The learner will learn how to understand, interpret, and correlate cardiac marker test results.

In this animated activity, learners practice listening and counting the apical pulse of adults, children, and infants.

Through the use of symbols and words, the learner reviews the etiologies, symptoms, and treatment of respiratory and metabolic acid-base disturbances.

Learners test their knowledge in this drag-and-drop exercise by identifying coding errors in health care claim cases.

Learners test their knowledge in this drag-and-drop exercise by identifying coding errors in health care claim cases.

In this interactive object, learners review the four types of hypersensitivity and check their knowledge of alternative names, mediators, and various antigens and disease conditions.

In this interactive object, learners identify the symptoms of fluid volume excess and fluid volume deficit.

In this screencast, people preparing to work in a medical office review the basic steps to follow when taking phone messages.

Laboratory testing begins with a doctor's order and is followed by specimen collection. In this activity, learners review doctors’ lab orders and select the blood collection tubes required for each patient.

Laboratory testing begins with a doctor's order and is followed by specimen collection. In this activity, learners review doctors’ lab orders and select the blood collection tubes required for each patient.

In this learning object, students will learn about the attachment

process of specific sugars to red cell membranes and how the sugars

determine ABO antigenic activity.