Brains On listeners have LOTS of questions about the human body so we’ve decided to answer nine – count em NINE – of these questions in one go. The terrific topics tackled: Hiccups, yawns, getting dizzy, goosebumps, fingerprints, limbs falling asleep, brain freeze, chattering teeth and why your voice sounds different when it’s recorded.Plus: Our Moment of Um answers the question: “Why do we have two lungs?”Today’s episode is sponsored by Quip (getquip.com/brainson) and Build-A-Bear Workshop (buildabear.com). You can support Brains On at brainson.org/donateSee omnystudio.com/listener for privacy information.

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