The digestive system is in charge of absorbing and transporting nutrients your body needs in order to thrive -- and it gets rid of all the waste the body doesn't need. Discover how saliva breaks down the food you eat and more.
What the Poop? Test Your Fecal Facts With This Quiz
Is your poop proficiency unparalleled or totally in the crapper? Take the poop quiz and find out! See more »
Fart-tastic Facts Quiz
Do you have what it takes to earn ultimate stink-out points? Take this fart facts quiz and find out! See more »
When you smell poop are you actually inhaling poop molecules?
Smelling poop is gross enough, so the possibility that poop molecules are getting into your nose is outright disgusting. Learn more at HowStuffWorks. See more »
Why is baby poop so smelly?
Baby poop is smelly. Find out why baby poop stinks at HowStuffWorks. See more »
How fast does a fart travel?
We all fart, but how fast does that fart travel out of your body? Find out and learn more about passing gas at HowStuffWorks. See more »
What happens when you hold in a fart?
Could holding in a fart be bad for your health? Find out what happens when you hold in a fart at HowStuffWorks. See more »
Why do farts stink?
Everybody poops, and everybody passes gas. Learn why farts stink at HowStuffWorks. See more »
Why do I get gassy when I fly?
Relax. Everyone gets gassy when they fly. Find out why air travel makes you fart at HowStuffWorks. See more »
Is there a right way to poop?
Of course we all know how to poop. But you might be missing out on a faster, healthier, way to do it. Find out if there is a right way to poop. See more »
If you never burped again, would your stomach explode?
Burping can be gross, but imagine the chaos if all of that gas built up in your stomach. Find out if never burping again would cause your stomach to explode. See more »
Loading more content
Got a Backup Plan? Think About Ditching It
How Much Pee Is in Your Pool?
Today Is Equal Pay Day for Black Women in the U.S.
See More Headlines »