Episode Details

Have you ever wondered why your teeth keep falling out, or how you get taller every single year? Get ready for a mind-blowing journey inside the hidden construction site of the human body! Did you know you actually started out smaller than the period at the end of this sentence? It is true! Join Mira and Finn as they explore the superhero builders in your bones called osteoblasts, and find out why you are actually taller in the morning than when you go to bed. (Hint: gravity squishes you down during the day!). Plus, we reveal the slightly spooky but completely amazing truth about baby teeth. Meet the tiny demolition crew called odontoclasts that actually dissolve the roots of your baby teeth so they can fall out! From human bones that are stronger than solid steel to astronauts growing two whole inches while floating in space, your body is doing incredible things even while you sleep. Tune in to find out how you get a brand-new skeleton every ten years!