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Sticky Snot
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In this activity, learners create slime to model mucus and examine how it collects simulated particles. Mucus keeps particles from the environment out of our lungs when we breathe.
No It's Snot
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In this health activity (on page 3 of the PDF), learners will learn about the body‘s defenses against invasion from tiny particles.
Virus Lander
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Can you avoid the body's immune system and make someone sick? Play this online game in which you go inside a human body to explore how viruses attack cells in the body.