In this screencast, learners categorize different metabolic activities as catabolic or anabolic and follow a glucose molecule through the processes of glycolysis, aerobic respiration, and fermentation.

Learners examine the location, structure, and function of the unipolar and multipolar neurons.

In this interactive object, learners identify the parts of an animal cell and its organelles.

In this colorful, interactive object, learners examine nervous and epithelial tissue composition and function. A quiz completes the activity.

In this screencast, learners examine the function and location of the motor neurons and the damage that can result when they are injured.

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

This animated object illustrates the events leading to the migration of phagocytes into areas of tissue damage and/or bacterial presence. Learners view bacterial cell phagocytosis, its subsequent enzymatic digestion, and exocytosis.

In this screencast, learners examine the steps of carbohydrate digestion.

Learners examine what defines a fungus and read how fungi differ from animals and plants.

Learners review a graphic summary of the three series of reactions that occur during cellular respiration and the net energy (ATP) yield of that process.

In this screencast, learners read descriptions of the actions of the superficial skeletal muscles and see their locations.

In this animated activity, sexual reproduction in animals is contrasted with the alternation of generation lifecycle of plants.

In this screencast, learners examine the lifecycle of fungi including asexual and sexual reproduction. Learners test their knowledge by identifying a diagram. There is a companion crossword puzzle game here: https://www.wisc-online.com/arcade/games/natural-science/science-biology/3016/the-zygomycetes-crossword

In this interactive and animated object, learners examine the characteristics, ecological importance, and lifecycle of the ascomycetes of the fungi kingdom.

In this screencast, learners read how microbes in such items as yogurt, bread, insulin, and insect sprays improve our lives.

In this animated object, learners compare the mode of action of steroids with the action of amino acid-based hormones.

In this learning activity you'll assembles parts of a virus and match virus terms and descriptions.

Explore the location, structure, and function of the juxtaglomerular (JG) apparatus.

Learners read about the mutations that occurred in plants for the successful transition from an aquatic to a terrestrial existence. The classification of plants is based on these adaptive structures.

In this screencast, learners read about the seven hormones that help regulate blood glucose.

In this animated object, learners examine the major descending tracts of the nervous system. A matching exercise completes the activity.

In this interactive object, learners read about the occupations that are most at risk for bloodborne pathogen exposure. They also read about the most common pathogens and how they are transmitted. This learning object is based on information from the U.S. Occupational Safety and Health Administration.

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 brief description of the vertebral column and examine the distinctive features of the cervical, thoracic, and lumbar vertebrae.

In this learning activity you'll explore the food pyramid and the recommended services.