SciShow
Why Does Your Breath Stink in the Morning?
At night, your mouth becomes the perfect home for growing bacteria. Forgive us if we don’t talk to you until after you brush your teeth. ----------
SciShow Kids
Teeth Not Just for Smiles!
Learn all about teeth! What kinds we have, how they help us, and how human teeth are different from other animals!
SciShow Kids
What Happens If You Swallow Gum?
Jessi swallowed her gum and was worried that it would stay in her stomach for 7 years! Could this really happen? What makes gum so different from other food?
SciShow
Antimony: The Life-Saving Toxin
Antimony is toxic to inhale, swallow and touch, but it might also save your life.
TED-Ed
TED-Ed: How does your body process medicine? - Celine Valery
Have you ever wondered what happens to a painkiller, like ibuprofen, after you swallow it? Medicine that slides down your throat can help treat a headache, a sore back, or a throbbing sprained ankle. But how does it get where it needs to...
SciShow
What Does Your Uvula Do?
Ever wonder what that dangling thing in the back of your throat is good for? Hank Green explains in this episode of SciShow Quick Questions.
SciShow
Why Do I Have Tonsil Stones?
If you found the whiteish-yellowish lump on your throat, that might be a tonsil stone. But where does the lump come from? Why do you have it?
SciShow
Snakes Use Their Spongy Mouths to Drink
Snakes don’t have lips, they can't lap up water, and they don’t grab mouthfuls of water and tip their heads back to swallow, so how do they drink? Turns out, some snakes have sponge-mouths that literally soak up water!
TED Talks
Patience Mthunzi: Could we cure HIV with lasers?
Swallowing pills to get medication is a quick, painless and often not entirely effective way of treating disease. A potentially better way? Lasers. In this passionate talk, TED Fellow Patience Mthunzi explains her idea to use lasers to...
SciShow
3 Surprising Ways Animals Use Saliva
To humans, drool can seem pretty disgusting, but other animals use saliva in surprising ways. Here are some of the weirdest ways other animals use their spit to survive!
SciShow
The Science of the Cinnamon Challenge
Hank explains the science behind the "cinnamon challenge," and reveals why it is nearly impossible to complete.Do not attempt the cinnamon challenge! Instead, why not just watch some videos of the thousands of YouTubers failing at it!...
SciShow
The Secret Ingredient in Ruminant Spit
Every day, humans literally flush a valuable resource down the toilet: nitrogen. But there are some animals that have figured out a way to recycle the extra nitrogen in their bodies by moving it not to their livers, but to their mouths!
Crash Course
The Digestive System: CrashCourse Biology
Hank takes us through the bowels of the human digestive system and explains why it's all about surface area.
SciShow Kids
Why Do We Burp?
Everybody does it! But why does it happen? Jessi gives you a look at your digestive system, to discover why we sometimes get a case of the burps.
SciShow Kids
Why Do We Have Saliva?
Mmmm! The smell of a batch of cookies straight out of the oven is enough to make your mouth water! But have you ever wondered why your mouth waters?! Jessi and Squeaks are here to tell you all about saliva and the many ways it helps you...
TED-Ed
TED-Ed: Could the Earth be swallowed by a black hole? - Fabio Pacucci
From asteroids capable of destroying entire species to supernovae that could exterminate life on Earth, outer space has no shortage of forces that could wreak havoc on our planet. But there's something in space that is even more...
SciShow
Why Do We Burp and Fart (So Much)?!
We all do it, but why? Hank explains the whys and hows of our gaseous emissions.
SciShow
Why Do My Ears Pop?
We’ve all experienced it, that annoying pressure in our head when we’re flying in a plane or a storm front comes in, then it pops! Find out how this popping happens and things to avoid so you don’t harm your ears.
Curated Video
Peristalsis
Wave-like muscle contractions, such as those used to move food through the digestive system. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Python
How is a python able to swallow prey larger than its own head? Biology - Animal Kingdom - Learning Points. Pythons are constrictors, which means they kill their prey by squeezing. Since snakes cannot chew or tear into their food, they...
Curated Video
Burps and Farts
A look at the biological functions that produce burps and farts. Biology - Human Body - Learning Points. Burps are caused when swallowed air forces open the stomach sphincter and travels up the oesophagus. Farts are caused when swallowed...
Curated Video
Eating food
Food goes on an amazing journey through your body, which starts in your mouth and continues your stomach. Living things - My incredible body - Digestion Learning Points Digestion starts in the mouth, continues in the stomach, and then in...