Belly buttons are the first human scar, and about 90% of them are innies. If you have an innie, chances are it’s full of dozens of kinds of bacteria, fungi, and lint — especially if you have a hairy belly. And if your navel is infected, there might also be a cheese-like liquid inside. Yum!

MORE HUMAN BODY SCIENCE CONTENT:
Giving Birth In Your 20s VS Your 30s
https://www.youtube.com/watch?v=gY5CLjmfhvo
Why Some People's Hair Turns Gray
https://www.youtube.com/watch?v=QJMTk8sBfFE
Why Do Men Get Beer Bellies?
https://www.youtube.com/watch?v=oJtQth3bl5M&t=10s

------------------------------------------------------

#BellyButton #Navel #ScienceInsider

Science Insider tells you all you need to know about science: space, medicine, biotech, physiology, and more.

Visit us at: https://www.businessinsider.com
Science Insider on Facebook: https://www.facebook.com/BusinessInsiderScience/
Science Insider on Instagram: https://www.instagram.com/science_insider/
Business Insider on Twitter: https://twitter.com/businessinsider
Tech Insider on Twitter: https://twitter.com/techinsider
Business Insider/Tech Insider on Amazon Prime: http://read.bi/PrimeVideo

What's Inside Your Belly Button?