19 Insane Facts You Never Knew about the Human Body

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Here are 19 facts about the human body that you probably never knew about. Number 19 is an absolute tragedy.

1. Humans are roughly 1 cm taller in the morning than in the evening.

19 Insane Facts You Never Knew about the Human Body 1

2. Human fingers are so sensitive that if your fingers were the size of Earth, you could feel the difference between a house and a car.


3. The human eye is so sensitive that if the earth was flat, it could spot a candle flickering at night from up to 30 miles away.

human eye

4. Humans share 50% of their DNA with bananas.


5. Humans shed 40 pounds of skin in their lifetime, completely replacing their outer skin every month.

shed skin

6. In just one day your blood travels 12,000 miles around your body. Thats four times the distance across the US from coast-to-coast.

blood cells

7. Around 90% of the cells that make up a human are not of human origin, and instead are fungi and bacteria.

Screen Shot 2014-08-07 at 22.34.28

8. The human brain uses 20% of the body's oxygen and calorie intake, despite only accounting for 2% of our overall mass.

human brain

9. Each finger and toenail takes 6 months to grow from base to tip.

finger nails

10. Some people suffer from a condition known as Synesthesia, where sense overlap. Meaning some people can hear colours or taste sounds. Awesome!.

rainbow tongue

11. The focusing muscles in a humans eye move around 100,000 times a day. In order to workout your leg muscles as much you would need to walk 50 miles a day.


12. A single human blood cell takes only 60 seconds to circulate around the entire body.


13. The human brain is more active at night than during the day.

counting sheep at night

14. The more intelligent you are the more frequently you have dreams.

day dreaming

15. The acid within your stomach is so strong that it is capable of dissolving razor blades.

razor blade

16. When you have a full bladder, it is roughly the size of a softball.

soft ball

17. The average person breaks wind 14 times a day.

fart reaction

18. Your nose is capable of identifying up to 50,000 different scents.

smelling nose

19. Sadly, it is impossible to tickle yourself.