Why Doesn't Your Stomach Eat Itself?

Excited for the August 21 eclipse? Visit our Eclipse 2017 page to explore the science, history, and myths of the event. The Curiosity team will be viewing the eclipse alongside NASA in Carbondale, Illinois. Follow us on Facebook for live videos, trivia, and interviews on the big day.

Your stomach can digest a lot. Some people even eat the stomachs of other animals, which means your stomach can actually digest a stomach. So here's a question: why doesn't a stomach digest itself? The answer is that every centimeter of a healthy digestive system is coated in protective mucus. And down in the stomach, there's an extra special layer to address that problem exactly. Find out more below, then keep scrolling for some more weird stomach facts.

Why Doesn't Your Stomach Eat Itself?

Why Does Your Stomach Make Noises?

Share the knowledge!

Why Do We Get Butterflies In Our Stomach?

Share the knowledge!

Key Facts In This Video

  1. Butterflies in your stomach are a reaction to feeling stress. 00:11

  2. When the body is stressed, the pituitary gland signals the adrenal glands to release adrenaline. 00:33

  3. Because stress prompts more blood flow to the lungs and muscles, less blood reaches your stomach, causing the "butterflies" sensation. 00:56

If you liked this you'll love our podcast! Check it out on iTunes, Stitcher, Google Play Music, SoundCloud, search 'curiosity' on your favorite podcast app or add the RSS Feed URL.