In this animated object, learners trace the olfactory pathway from the nasal cavity to the olfactory cortex.
Biomolecules: The Proteins (Video)
By Becky Polk-Pohlman
Explore what proteins are, their structure, and their functions.
Respiratory System Gas Exchange
By Bruce Forciea
In this animated object, learners examine the mechanisms for gas exchange among the lungs, blood, and tissues.
Construction of the Cell Membrane
By Becky Polk-Pohlman, Barbara Liang
In this learning activity you'll study the structure of the cell membrane and construct it using the correct molecules.
Treating Electrical Shock Victims
By Terry Bartelt, Pat Jensen
Explore the step-by-step procedures to rescue and care for electrical shock victims.
Peer-to-Peer Operating Systems
By Terry Bartelt
In this learning activity you'll examine how computers operate in a peer-to-peer network operating system.
Signed Binary Numbers: 2's Complement
By John Casey, Terry Bartelt
Learners use this interactive and animated object to examine the use of binary numbers in a programmable logic controller. A brief quiz completes the activity.
Overflow and Underflow for Signed Binary Numbers
By John Casey, Terry Bartelt, Terry Fleischman
Learners examine the occurrence of overflow and underflow conditions in a programmable logic controller. It is recommended that users view the learning object “Signed Binary Numbers” in advance of this object.
Elements of a Closed-Loop System
By Terry Bartelt, Terry Fleischman
Learners study an animated block diagram that describes the function of each element in a closed-loop system used in industrial automation.
How to Convert from One Unit to Another in the Metric System
By Nabila Dahche
In this learning activity you'll practice converting from one metric unit to another.
Medical Terminology: Female Reproductive System
Female Reproductive System
The Planets: Uranus
Uranus [yoor-uh-nuh s] is the seventh planet from the Sun. It’s barely visible to the naked eye, and is the first planet discovered with the use of a telescope.
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