Amazing Defenders
Immune System
Our adaptive immune system warriors are comprised of dendritic cells (D-cells), T-cells, and B-cells all working together as a team in battling invaders, germs.



Immune Cell Types
Each type of immune cell has a specific role in defending our bodies.
How to Play Game 3 – Immune System
Game 3 brings together our Adaptive Immune System warriors, D cells, B cells, and T cells to defeat Covid viruses. KC interacts with everything. Use your thinking skills to be victorious. The keys to success are matching receptors and generating cytokines and antibodies. Last, but not least, is to keep your warrior cells active and alive. Have fun playing and learning!
Videos
Game 3 in KC Returns! II
This video shows how to launch and navigate Game 3 in KC Returns! II. See how to activate our Adaptive Immune System warriors to defeat Covid viruses.
mRNA Vaccine
Watch this video to learn how to activate an mRNA vaccine shot in Game 3 and see the impact of the resulting spike proteins on your Adaptive Immune System.
Screenshots
Select Game
Select Game 3 for the Immune System Covid game.
Power Ups
Choose Power Ups to help defeat Covid (Earn points to get beyond Level 1).
Start Play
Enter the game play area. Use KC and your immune system warriors to battle Covid.
Earn Power Ups
Game power-ups are free, but you must earn them. Select Earn to enter the earn points area.
Learn & Earn
Earn points by interactively exploring and answering questions about DNA atoms, molecules, and bonds.
Game Tip
Pause and Rest during game play.
Game Tip
Pause and Explore connections.
Game Tip
Click the “?” at any time to bring up Game Help.
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