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

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

In this interactive and animated object, learners examine open and closed head injuries and the common causes and symptoms related to them.

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

Learners read and listen to the pronunciation of hundreds of medical terms that are arranged in a "jukebox." The terms are listed alphabetically and according to the following categories: aerobic and anaerobic microorganisms, blood bank, coagulation, fungi microorganisms, hematology, protozoa, and urinalysis. This learning activity requires a computer that is equipped with speakers.

Learners read a scenario about a blood-borne pathogen incident in the workplace and decide the best action to take.

Learners examine the contents of organized microbial plaque and test their knowledge in matching exercises.

In this animated activity, students read about the stages of microbial dental plaque formation and the time it takes for each stage to occur.

Students locate the enamel, cementum, cementoenamel junction, the anatomic crown, and the root of a tooth in this interactive lesson.

The stages of tooth development

Can you guess the respiratory term described by the accompanying phrase?

Developmental disturbances that can occur during tooth development.