Here are 30 Interesting Facts About Human Body.

1-5 Interesting Facts About Human Body

Fizzy Soda

1. The fizzy sensation on your tongue from carbonated drinks is not caused by the tiny bubbles popping. The fizz is our actual taste of carbon dioxide. – Source

2. The tongue map that shows parts of the tongue responsible for different aspects of taste is the result of a mistranslation from a German paper and is not true. – Source

3. Orange juice tastes bad after brushing because toothpaste blocks your sweet taste receptors due to a foaming agent that changes the permeability of your tongue cells. – Source

4. When you eat pineapple, it’s actually eating you back. Pineapple’s Bromelain enzyme digests proteins, which is the reason for that tingly feeling on your tongue when you eat it. – Source

5. Although “bitter” has over 40 different types of receptors on the human tongue, “sweet” only has one. Being able to detect a greater range of “bitter” is evolutionarily advantageous because bitter usually signifies potential toxin. – Source

6-10 Interesting Facts About Human Body

Hyoid bone

6. There is one bone in the human body not connected to any other bones. The hyoid bone is located within the neck, and is connected only by muscles and ligaments. It is used to help support the tongue, and aid in swallowing. – Source

7. The human tongue is made of 8 different muscles, 4 of which (called the intrinsic muscles) are not even connected to a bone. – Source

8. The reason why taking Pepto Bismol can cause your tongue and poop to turn black is because the active ingredient, Bismuth, reacts with the trace amounts of sulfur found in saliva and the gastrointestinal tract. – Source

9. Aztecs took two showers a day and used flowers as soap and cleaned their mouth with them as well. The Spaniards at the time avoided water because it was thought water on your skin made you more susceptible to the plague and they used urine to clean their mouths and teeth. – Source

10. Your mouth is made of the same skin cells as a vagina. – Source

11-15 Interesting Facts About Human Body

Exploding Teeth

11. People’s teeth used to randomly explode in the 1800s due to bad fillings. Before the advent of mercury amalgam, a wide variety of metals were used to fill cavities. Using two different metals could create an electrochemical cell, effectively turning the whole mouth into a low-volt battery – Source

12. Athletes are more likely to get cavities. Regular exercisers are “mouth breathers”, which causes plaque to dry on their teeth. – Source

13. A woman shot lightning out her butthole after it went in through her mouth, but rubber shoes prevented it exiting through her feet. – Source

14. Your resting tongue position differs based on what your first language is: English speakers tend to keep their tongues towards the top of their mouths. – Source

15. Mouth-breathing can cause weak jaw development, crooked teeth and other unattractive facial features. It literally makes you ugly. – Source

16-20 Interesting Facts About Human Body

Radium girls

16. US Radium employed girls to paint glow-in-the-dark dials with radium paint, telling them to shape the brush points with their lips or fingers. When employees later started losing their jaws, company-paid examiners covered it up and claimed they had syphilis. – Source

17. Approximately 1/3 of people have jaws that pop or click when they are opened all the way. – Source

18. Before agriculture, human jaws were a perfect fit for human teeth. – Source

19. When our inner voice speaks in our head, it is accompanied by subtle muscle movements from our larynx. – Source

20. There is a growing consensus that bare-knuckle boxing is safer than gloved boxing. The bones in the hand are considerably weaker than those in the skull, meaning the bare-knuckle fighter can’t punch with full force to the head. – Source

21-25 Interesting Facts About Human Body

Q Tip

21. A man with a chronic ear infection cured himself with his own earwax. He was given a number of drugs by doctors, but nothing worked. In desperation, he took earwax from his good ear and placed it in his bad. Two days later he was fine. – Source

22. If you pour cold water into a person’s ear, their eyes will move in direction of the opposite ear, if you pour warm water into their ear, their eyes will move towards that ear. This is used to test for brain damage and is called ‘caloric stimulation’. – Source

23. The reason why we hate the recorded sound of our voice is because our skull changes the resonance of our voice from within and creates more bass. When we hear a digital recording of our voice, although slightly unfamiliar to ourselves, it’s exactly how other people hear it. – Source

24. Human ears can’t tell where low-frequency sounds come from. Therefore subwoofers can be hidden in home theaters or in trunks of cars. – Source

25. There is a disease that affects the inner ear and amplifies all internal sounds. It gets to the point where the sound of the eyeballs moving in their sockets sounds like “sandpaper on wood.” – Source

26-30 Interesting Facts About Human Body

Stahl's ears

26. There is a birth deformity called bilateral Stahl’s ears which can result in a person being born with elf-like ears. – Source

27. A small portion of the population can voluntarily control their tensor tympani muscle, causing a low rumble in the ear. – Source

28. Kissing a baby on the ear can make it go deaf. – Source

29. In loud environments, people are twice as likely to comply with requests asked in their right ear rather than their left. – Source

30. Your eyes can completely override your ears. It’s called the McGurk effect. – Source

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Fact List, Humans, Science,

Last Update: October 5, 2016

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