There are infinite posts on “interesting facts about human body”.This is a “Nimmy’s personally-liked interesting facts about human body”
1. The length from your wrist to your elbow is the same as the length of your foot.
2. Your mouth produces 1 litre (1.8 pints) of saliva a day.
3. Over the last 150 years the average height of people in industrialised nations increased by 10 cm (4 in).
4. Men loose about 40 hairs a day. Women loose about 70 hairs a day.
5. The muscle that lets your eye blink is the fastest muscle in your body. It allows you to blink 5 times a second. On average, you blink 15 000 times a day. Women blink twice as much as men.
6. Not all our taste buds are on our tongue; about 10% are on the palette and the cheeks.
7. The bones in your body are not white – they range in colour from beige to light brown. The bones you see in museums are white because they have been boiled and cleaned.
8. Our eyes are always the same size from birth.
9. Every person has a unique tongue print.
10. If all your DNA is stretched out, it would reach to the moon 6,000 times.
11. One human hair can support 3kg.
12. The strongest muscle in the human body is the tongue.
13. *A cockroach will live nine days without it’s head, before it starves to death
14. *Elephants are the only animals that can’t jump.
15. The brain operates on the same amount of power as 10-watt light bulb
16. 80% of the brain is water
17. You get a new stomach lining every three to four days
18. The ashes of a cremated person average about 9 pounds
19. Monday is the day of the week when the risk of heart attack is greatest
20. About 32 million bacteria call every inch of your skin home
21. The colder the room you sleep in, the better the chances are that you’ll have a bad dream
22. It is not possible to tickle yourself. Even the most ticklish among us do not have the ability to tickle ourselves. The reason behind this is that your brain predicts the tickle from information it already has, like how your fingers are moving. Because it knows and can feel where the tickle is coming from, your brain doesn’t respond in the same way as it would if someone else was doing the tickling.
23. Hiccups happen when the diaphragm, the muscle that controls our breathing, becomes irritated and start to spasm and contract uncontrollably. With each contraction, air is pulled into the lungs very quickly, passes through the voice box, and then the epiglottis closes behind the rush of air, shaking the vocal chords, causing the “hic” sound. The irritation can be caused by rapid eating, emotional stress and even some diseases. The best cure? Breathing into a paper bag. This calms the diaphragm by increasing the amount of carbon dioxide in your bloodstream
*I didn’t write that by mistake.

