In this animated and interactive object, learners examine the red blood cell's life cycle and function. A brief exercise completes the activity.

Learners read about endospores and view video clips demonstrating spore staining procedures. Correctly stained slides are shown. The learning object includes two matching exercises.

In this animated object, learners trace the olfactory pathway from the nasal cavity to the olfactory cortex.

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.