The Vertebral Column
By Barbara Liang
Learners read a brief description of the vertebral column and examine the distinctive features of the cervical, thoracic, and lumbar vertebrae.
The Sense of Smell
In this animated object, learners trace the olfactory pathway from the nasal cavity to the olfactory cortex.
Respiratory System Gas Exchange
By Bruce Forciea
In this animated object, learners examine the mechanisms for gas exchange among the lungs, blood, and tissues.
In this interactive and animated object, learners examine the characteristics, ecological importance, and lifecycle of the ascomycetes of the fungi kingdom.
By Jonathan Harris
In this animated learning object, students examine the life cycles of a virus.
"I Want to Be Well" Case 1: Respiratory Pathogens
By Dawn Madl
In this learning activity you'll observe information and formulate an evaluation that includes diagnosis and microorganism identification.
Test Your Knowledge of Miscellaneous Bacteria
By Marise Hussey
Learners match diseases with their portals of entry, causative agents, and associated vectors.
The Cell: Passive Transport Osmosis (Video)
Explore what passive transport osmosis is and how it moves water through a semipermeable membrane.
By Carol Parent-Paulson
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.
By Wendy Dusek
In this animated and interactive object, learners examine ventilation, external and internal respiration, and gas transport.
The Corticospinal Tracts
In this animated object, learners examine the major descending tracts of the nervous system. A matching exercise completes the activity.
Chytrids, as members of this group are known, are found everywhere. In this animated learning object, students examine the role of chytrids and their impact on the environment.
Classification of Joints
In this animated object, learners examine the different types of joints and their movements.
Helpful Microbes in Your Daily Life
By Elizabeth Yoon
Learners read how microbes in such items as yogurt, bread, insulin, and insect sprays improve our lives.
Virus Matching Exercises
By Kristine Snow
Learners complete two exercises. In the first quiz, they divide viruses into two categories: RNA and DNA. They later match each virus with the disease it causes.
Fungal Disease Matching Exercises
Learners test their knowledge of fungal diseases by completing six exercises.
The Anatomy of the Heart (Video)
By Becky Polk-Pohlman
In this video learners view the valves and chambers of the heart.
Biomolecules - The Lipids (Video)
In this animated object, learners examine neutral fats, phospholipids, and cholesterol. The molecular formula and general function for each are shown.
A Typical Animal Cell (Video)
In this video, learners view the parts of an animal cell and its organelles.
The Cell: Passive Transport Diffusion (Video)
Explore what passive transport diffusion is and how it moves water through a membrane.
Antigen Presentation: T and B Cell Differentiation
This learning object demonstrates the process by which antigens are identified, processed, and presented to mediators of the cellular immune system.
In this animated object, the learner examines 17 types of joint movement.
The Two-Neuron Knee-Jerk Reflex Arc
In this interactive object, learners examine the neuron pathway into and out of the spinal cord. They complete the activity by testing their knowledge of vocabulary and the location of spinal cord structures.
Skin and the Integumentary System
Learners examine the structure and function of skin including the production of melanin.
In this animated and interactive object, learners examine the lifecycle of fungi including asexual and sexual reproduction. Learners test their knowledge by identifying a diagram and by completing a crossword puzzle.