Monday, 23 February 2026
AMAZING FACTS ABOUT THE HUMAN BODY
- Women’s hearts are smaller than men’s, therefore beat faster.
- 80% of your body heat is lost through your head.
- Around 50,000 cells in your body will die and be replaced every 3–4 seconds.
- Cracking your knuckles is just the sound of air popping in the joints’ fluid and doesn’t cause arthritis.
- The “B.O” smell isn’t actually caused by sweat. It’s caused when the bacteria feeds on the sweat.
- Human cells are so small that 10,000 can fit on the tip of a pin.
- Our body’s actually do ‘glow’, but the light is too weak to be seen by the human eye.
- Human teeth are just as strong as shark teeth.
- Goosebumps’ primary job for our ancestors was to make hairs stand up, making them appear more threatening to predators.
- The smallest bone in the human body is in middle ear, measuring only 2.8mm.
- As well as unique finger prints, we also have unique tongue prints.
- The cornea is the only part of the body that isn’t supplied blood. It gets oxygen directly from the air.
- Between birth and death, the human body goes from having 300 bones to just 206.
- 25% of your body’s bones are in your feet.
- Women’s brains actually shrink during pregnancy.
- Earwax is a form of sweat.
- During the day, the soft cartilage between your bones gets squashed and compressed so when you wake up, you’re about 1cm taller than when you go to bed.
- Human’s produce enough urine every month to fill a bath.
- The hardest bone in your body is your jawbone.
- Newborn babies don’t have kneecaps. They start as soft cartilage and harden by the age of 3.
- Most people breathe out of one nostril at a time. The side we breathe out of changes every few hours.
- Taking one step forward uses 200 muscles.
- Your skull is made up of 29 different bones.
- Your lips are 100x more sensitive than your fingertips.
- A person burns more calories when they’re asleep than watching tv.
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