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?”

This episode was originally published on Oct. 25, 2016. Listen to the original here!

Body Bonanza: Yawns, hiccups, goosebumps and more!
by MPR