20 interesting facts about human body

factsHuman body is a mix of some really interesting facts. Did you know that humans shed 22 kilograms of skin in their lifetime? Hard to believe? We were surprised just like you. Here are some more:

  1. The fingernail of a healthy person takes four to six months to grow out completely.
  2. One in every 1000 babies is born with a tooth.
  3. A person will die from lack of sleep sooner than they will from starvation, which usually takes a few weeks.
  4. Eighty percent of people infected with the Ebola virus, will die from this disease.
  5. Humans have 46 chromosomes, peas have 14 and crayfish have 200.
  6. There are approximately 96,000 km of blood vessels in the human body.
  7. If the lining of mucus were to disappear from your stomach, your stomach would digest itself.
  8. Each person sheds 22 kilograms of skin in his or her lifetime.
  9. Your heart beats 100 000 times a day.
  10. We share 98.4% of our DNA with a chimp – and 70% with a slug.
  11. One person in 20 has an extra rib, and they are most often men.
  12. When you were born, you had 300 bones. Now you have 206, if you are an adult. The rest of the bones have not disappeared – they have merely fused together.
  13. The average person has about 100,000 scalp hairs.
  14. When you look at an object, the image of that object appears upside down on your retina. However, your brain automatically corrects for this, allowing you to perceive the object the right side up.
  15. Enamel, found on our teeth, is the hardest substance in the human body.
  16. Aspirin and alcohol can be absorbed directly into the bloodstream through the stomach lining.
  17. The soles of your feet contain more sweat glands and more pressure-sensitive nerve endings per square inch than any other part of your body.
  18. Like fingerprints, every person has a unique tongue print.
  19. During the first six weeks of life, there is no difference between the male and female embryo.
  20. Human fingers stretch and bend about 25 million times in a normal lifetime.
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