1. The human body produces about a litre (0.26 gal) of mucus per day.
2. There are more than 100 types of cancers; any part of the body can be affected.
3. Your heartbeat changes and mimics the music you listen to.
4. Your brain uses 20% of the total oxygen and blood in your body.
5. Your bones are composed of 31% water.
6. There're more bacteria in your mouth than there are people in the world.
7. Every day, your heart creates enough energy to drive a truck for 20 miles (32 km).
8. Most of the dust underneath your bed is actually your own dead skin.
9. Sleeping less than 7 hours each night reduces your life expectancy
10. In a lifetime, your brain's long-term memory can hold as many as 1 quadrillion (1 million billion) separate bits of information.
11. Your heart will pump nearly 1.5 million barrels of blood during your lifetime, enough to fill 200 train tank cars.
12. Your heart can keep beating even if it is separated from the body because it has its own electrical impulse.
13. Your brain keeps developing until your late 40s.
14. When you take one step, you are using up to 200 muscles.
15. The chemical elements that make up your body are worth around US$160.
16. Human fingers can feel objects as small as 13 nanometers. If your finger was the size of the Earth, you would feel the difference between houses and cars.
17, The highest recorded body temperature in a human being was a fever of 115.7°F (46.5°C).
18. The human heart is not on the left-hand side of the body; it's in the middle.
19. Half of your genes describe the complex design of your brain, with the other half describing the organization of the other 98% of your body.
20. Your taste buds are replaced every 10 days.
21. The average age of a human fat cell is 10 years.
22. There is no scientific evidence that shaving or waxing will make your hair come back thicker.
23. If your stomach acid got onto your skin it would burn a hole in it.
24. Without your pinky finger, you would lose about 50% of your hand strength.
25. Your nose can remember 50,000 different scents.
26. An average person produces about 25,000 quarts of saliva in a lifetime, enough to fill two swimming pools.
27. Your body has enough iron in it to make a metal nail 3 inches long.
28. Sweat itself is odorless. It's the bacteria on the skin that mingles with it and produces body odor.
29. Having excessive body hair is linked to a higher intellect.
30. Ears and Nose never stop growing.
31. Similar to fingerprints, everyone also has a Unique Tongue Print.
32. Human Bones are ounce for ounce, stronger than steel.
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