How Do Belly Buttons Work?
BrainStuff - En podkast av iHeartPodcasts
Kategorier:
We're not just navel gazing -- belly buttons are seriously fascinating. Learn how they work in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/human-body/parts/5-things-didnt-know-about-belly-button.htm Learn more about your ad-choices at https://www.iheartpodcastnetwork.com
