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

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

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