15 Interesting Facts About the Human Body Infographic

These facts may help you appreciate your body even more.

15 Interesting Facts About the Human Body Infographic

Your bones

You’re born with 300 bones. But as you age and grow taller, your bones fuse, leaving you with 206 total.1

Your strongest muscle

Your jaw muscle is the strongest muscle in your body. The jaw’s hinge-like features create more power as you bite down and clench your teeth.2

Your body glows

Your body produces a glimmer of light caused by bioluminescence. It’s, however, invisible to the naked eye.3

Your spit

In an average lifetime, you’ll produce around 21,000 liters of spit. That’s enough saliva to fill at least one small swimming pool.4

Your liver

Your liver is the only organ that can completely regenerate itself. It can grow back to its original size within a few weeks.5

Your smallest bones

The smallest bones in your body are inside your ear. They’re so small that they could all fit on a penny, and you wouldn’t be able to hear anything without them.6

Your ear

Your ear is self-cleaning because of one thing: ear wax. It keeps your ears tidy and protects you from bacteria.7

Your eyes

Your eyes are powerful. They can detect light from a candle flame over 1.7 miles away.8

Your nose

Your sense of smell is closely linked with your memories and can trigger strong emotions and memories almost instantaneously.9 Women tend to have a stronger sense of smell than men.10

Your tongue

Forget fingerprints. Your tongue print is unique to you, making it difficult to forge.11

Your sneezing

Scientists have recently discovered sneezing might be your nose’s way of rebooting itself to get rid of any bad particles that have been inhaled.12

Your blood vessels

There are over 100,000 miles of blood vessels inside your body.13

Your stomach

The acid in your stomach is so strong that it could dissolve metal.14

Your pinky finger

Without your pinky finger, you would lose about 50% of your hand strength.15

Your body

Your body sheds about eight pounds of dead skin a year. Most of those cells settle as the dust in your home.16


  1. https://www.scienceabc.com/humans/why-do-babies-have-more-bones-than-adults.html
  2. https://www.scientificamerican.com/article/the-power-of-the-human-jaw/
  3. https://www.sciencealert.com/you-can-t-see-it-but-humans-actually-glow-in-visible-light
  4. https://www.lindaledentists.com/how-much-saliva-do-you-make-each-day/
  5. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2701258/
  6. https://kidsdiscover.com/quick-reads/human-bodys-smallest-parts/
  7. https://www.livescience.com/2812-hear-remove-earwax.html
  8. https://www.technologyreview.com/2015/07/31/72658/how-far-can-the-human-eye-see-a-candle-flame/
  9. https://www.psychologytoday.com/us/blog/brain-babble/201501/smells-ring-bells-how-smell-triggers-memories-and-emotions
  10. https://www.medicalnewstoday.com/articles/284991
  11. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5406805/
  12. https://www.sciencedaily.com/releases/2012/07/120731103035.htm
  13. https://www.fi.edu/heart/blood-vessels
  14. https://www.industrytap.com/stomach-acid-can-dissolve-metal/34295
  15. https://www.nytimes.com/2008/12/16/health/16pink.html
  16. https://health.howstuffworks.com/skin-care/information/anatomy/shed-skin-cells.htm

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