Have you ever wondered how your body is able to process the food you eat? Believe it or not, the digestion system is highly complex with lots of working parts. Of course, without it, there’s no way for you to receive energy or survive.
However, it also clears waste and filters out toxins. It’s an indispensable part of your body, so why not learn more about it? Here are 25 Fun Facts About The Human Digestive System You Probably Didn’t Know.
Food takes about seven seconds to travel down the esophagus.
The small intestine is 22 feet long, while the large intestine is only 6 feet.
The entire digestive system from the mouth to the anus is 30 feet long.
Your stomach uses hydrochloric acid to break down food and produces a mucus to protect itself from it.
The small intestine has three parts: the Duodenum, Jejunum, and Ileum.
An adult's stomach can hold about 1.5 liters of material.
Contrary to popular belief, the small intestine is where most of digestion takes place, not the stomach.
Your stomach growling is called "borborygmi," and it's actually your intestines full of hot air.
Our salivary glands produce 1 to 2 liters of saliva a day.
Your gut and brain have a special connection. Emotions, like anger, anxiety, and sadness, can change how you digest food.
Enzymes in your stomach aid in breaking food down into proteins, carbohydrates, and fats.
Peptic ulcers are not caused by stress or diet but by a bacterium called Helicobacter pylori.
The average American adult eats roughly 2,000 lbs of food a year.
Belching is a result of sucking in excess air while drinking a carbonated beverage, chewing gum, or smoking.
The colon has four major parts and is responsible for getting rid of food after the nutrients are removed.
The esophagus moves food down to the stomach using muscles in a process called peristalsis.
The liver is the largest internal organ and has over 500 different functions including fighting off infection and neutralizing toxins.
The human digestive system doesn't rely on gravity since food is moved through using muscles. This means you could be standing on your head and your digestive system would keep working. However, we can't promise that doing a headstand right after eating would be entirely comfortable.
In 1822, a fur trapper suffered a horrible gun shot wound in the stomach. After several surgeries, he survived, but they had to keep the hole, providing a window for doctors to watch digestion in real time.
Flatulence is essentially swallowed air and gas produced by bacteria in your intestines.
The human gut is home to a complex ecosystem of roughly 300 to 500 bacteria.
The entire intestinal tract is sterile at birth and is populated by environmental factors during and after birth.
To prevent food and liquid from entering your lungs, the epiglottis covers the entrance to the larynx.
The gallbladder stores the bile used to break down dietary fat.
The digestive system is the site of more cancers and cancer moratlity than any other in the body.
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Photo: feature: shutterstock, 25. Wikipedia Commons.com (Public Domain), 24. LearnAnatomy (talk), DH small intestine, CC BY 3.0, 23. BruceBlaus. When using this image in external sources it can be cited as: Blausen.com staff (2014). “Medical gallery of Blausen Medical 2014“. WikiJournal of Medicine 1 (2). DOI:10.15347/wjm/2014.010. ISSN 2002-4436., Blausen 0316 DigestiveSystem, CC BY 3.0, 22. Wikipedia Commons.com (Public Domain), 21. BruceBlaus. When using this image in external sources it can be cited as: Blausen.com staff (2014). “Medical gallery of Blausen Medical 2014“”. WikiJournal of Medicine 1 (2). DOI:10.15347/wjm/2014.010. ISSN 2002-4436., Blausen 0817 SmallIntestine Anatomy, CC BY 3.0, 20. FatGiVi, Obese teenagers male overweight fat front belly, CC BY-SA 4.0, 19. The original uploader was Arnavaz at French Wikipedia This image is an old version created by Medium69. Cette image est une ancienne version créée par Medium69. Please credit this : William Crochot , Digestive appareil (dumb version), CC BY-SA 4.0, 18. shutterstock, 17. Wikipedia Commons.com (Public Domain), 16. Pixabay.com (Public Domain), 15. BruceBlaus, Gastric Ulcer, CC BY-SA 4.0, 14. Love Food Hate Waste NZ, 42.4 kg of food found in New Zealand household rubbish bins, CC BY-SA 4.0, 13. Neil Rogers via flickr., 12. Theron Price, Human Colon, Removed Feb 2010, Condition Ulcerative Colitis, CC BY-SA 3.0, 11. Wikipedia Commons.com (Public Domain), 10. Polygon data is generated by Database Center for Life Science(DBCLS), Liver 01 anterior view, CC BY-SA 1.0, 9. WIkipedia Commons.com (Public Domain), 8. pixabay (public domain), 7. Wikipedia Commons.com (Public Domain), 6. Wikipedia Commons.com (Public Domain), 5. Wikipedia Commons.com (Public Domain), 4. Pixabay.com (Public Domain), 3. Med Chaos, Normal Epiglottis, CC BY-SA 3.0, 2. BruceBlaus, Gallbladder (organ), CC BY-SA 4.0, 1. Blausen Medical Communications, Inc., Blausen 0246 ColorectalCancer, CC BY 3.0