Learners conduct an experiment to illustrate how a greater number of particles in a "vessel" increases osmotic pressure.

In this highly interactive and animated object, learners complete three exercises to identify the cranial nerves and their functions.

In this animated learning object, learners examine the regulation of inducible operons in bacterial systems.

Learners take a close look at the information on product labels concerning fat, fiber, and serving sizes. A quiz follows the lesson.

Viewers watch an introduction to monosaccharides, disaccharides, and polysaccharides. The processes for dehydration synthesis and hydrolysis.

This learning object demonstrates the process by which antigens are identified, processed, and presented to mediators of the cellular immune system.

Learners examine the function of each part of a microscope and follow step-by-step instructions on how to focus on a specimen. They also review the proper use and care of a microscope and test their knowledge in two drag-and-drop exercises.

Learners watch a brief video clip. They then follow step-by-step instructions on how to do a urine colony count and examine the criteria for determining if a colony count represents an infection. A brief quiz completes the object.

In this animated object, learners view the "T" and "P" waves and the "QRS complex." A brief quiz completes the activity.

Learners examine the phases and characteristics of the reality shock experienced by nurses. They also identify strategies to deal with reality shock and with the transition from student nurse to registered nurse.

In this animated object, learners examine the various connective tissue layers of the muscle organ. The terms "prime mover," "synergist," "antagonist," "origin," and "insertion" are defined.

In this activity, you will review proper apparel for working in a doctor's office.

Learners examine microscope images of blood agar and the various types of hemolysis that can be detected. A quiz completes the activity.