Today we’re looking at a phenomenon that happens to all of us: losing our baby teeth and getting new ones! So how do our teeth grow in and what makes them fall out? Naturally, a group of wandering teeth helps us explain. We&#39;ll also find out why we have two sets of teeth in the first place. A chatty tooth travel agent will introduce us to all the different ways to send our baby teeth off in style and we&#39;ll play a game that will test your knowledge of animal teeth. Plus, the Moment of Um answers the question &quot;Why do bees make a buzzing sound?&quot;

You can support Brains On at <a href="http://brainson.org/fans" class="c-link">brainson.org/fans</a> — there you can donate, join our free fan club, check out our merch or buy our book!

This episode was sponsored by:
Indeed (<a href="http://indeed.com/brainson" class="default">indeed.com/brainson</a>)
Bobby Wonder podcast (<a href="http://gokidgo.com/" class="default">gokidgo.com</a> or subscribe to Bobby Wonder on Apple, Spotify or wherever you get your podcasts)

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Why do we lose teeth?

Brains On! Science podcast for kids