By Barbara Liang
In this animated and interactive object, learners examine ABO blood antigens and Rh antigens and their compatibility.
The Cell Cycle
In this animated object, learners examine the different phases of a cell's life.
Biomolecules: The Carbohydrates (Video)
By Becky Polk-Pohlman
Viewers watch an introduction to monosaccharides, disaccharides, and polysaccharides. The processes for dehydration synthesis and hydrolysis.
How to Use a Microscope
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.
The Sense of Hearing
In this animated activity, learners examine hearing and balance. Detailed drawings of the outer, middle, and inner ear structures are included.
The Appendicular Skeleton
In this animated object, learners examine the bones of the appendicular skeleton.
Construction of Free-Body Diagrams
By Kim Ristow
In this learning activity you'll explore a step-by-step process to solve simple free-body diagrams. They identify forces acting in the x or y direction in interactive exercises.
Muscle and Connective Tissue
In this colorful and interactive object, learners examine the structure and function of muscle and connective tissues. A quiz completes the activity.