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In this activity, learners make a model of a one-way heart valve to investigate how a heart controls the direction of blood flow.

1 cent - $1 per student Ages 8 - adult 10 to 30 minutes
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Most of the time, we don't have to think about breathing. In fact, you're probably breathing right now without thinking about it!

$1 - $5 per student Ages 8 - adult 10 to 30 minutes
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Our bodies produce snot, or mucus, that we blow from our noses. In this activity, learners will create a model of how snot works and will explore how it keeps our bodies healthy.

Ages 8 - adult 10 to 30 minutes