In this episode we're getting into how hormones kickstart all types of growth, during puberty. We answer kids' questions like: what's the deal with growing pains, why and how do our voices change and why do we get breasts. Short answer... it's hormones. Listen to hear how human growth hormone, and estrogen, progesterone and testosterone activate and change our bodies.

This episode's word of the day will both put you to sleep AND wake you up! Tune in to find out.

Click here for a transcript of this episode.