The human body is just fantastic and there’s some truly amazing things we can guarantee you didn’t know about it. We’ve gone ahead and listed 15 facts about the human biology you didn’t know here. These range from useful facts to completely useless facts but they will all amaze you nonetheless. Enjoy!
An adult is made up of around 7,000,000,000,000,000,000,000,000,000 (7 octillion) atoms
We actually have 9 senses, not just 5: Vision, Hearing, Smell, Taste, Touch, Balance, Temperature, Proprioception (spatial body awareness, aka why you can touch your nose with your eyes shut) and finally, Pain
It’s still not scientifically certain why humans yawn
The brain works harder while we are asleep than during the day when we are awake
The liver has over 500 different functions
The lungs contain over 300,000 million capillaries (tiny blood vessels). If they were laid end to end, they would stretch 2400km (1500 miles)
80% of your brain is water
The acid in your stomach is strong enough to dissolve razorblades
Sneezes, more often than not, exceed 100mph
It takes 17 muscles to smile and 43 to frown
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Your feet account for one-quarter of all the bones in your body
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil
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Human bone is as strong as granite in supporting weight. A block of bone the size of a matchbox can support 9 tonnes – that is four times as much as concrete can support
