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Learners study two diagrams of the lymphatic system and then test their knowledge in drag-and-drop exercises.
The Cell Cycle
By Barbara Liang
In this animated object, learners examine the different phases of a cell's life.
Regulators of Blood Osmolality and Blood Volume
By Debbie Heinritz
In this learning object, you will learn about four blood osmolality and volume regulators, their sites of production, their sites of action, and the results of those actions.
The Four Types of Chemical Reactions
In this animated object, learners examine synthesis, decomposition, exchange, and reversible reactions.
Rheumatoid Arthritis in the Hand
By Ann Jadin
Learners examine four stages of rheumatoid arthritis and compare them to the normal synovial joint.
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.
Puzzle 8: Body Systems in Sequence
Put these body systems in sequence
Chakalaka: Digestion Questions
a game to test your knowledge on the human digestive 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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