15 Amazing Human facts!

 1. A feeling of thirst occurs when water loss is equal to 1% of your body weight. The loss of more than 5% can cause fainting, and more than 10% causes death from dehydration.

2. At least 700 enzymes are active in the human body.

3. Human beings are the only living things which sleep on their backs.

4. The average four-year-old child asks 450 questions a day.

5. Not only human beings, but also koalas have unique finger prints.

6. Only 1% of the bacteria can result in the human body becoming ill.

7. Everyone alive on Earth could comfortably be placed into a cube with sides 1000 meters long.

8. The scientific name for the belly button is the umbilicus.

9. Teeth are the only part of the human body which cannot heal themselves.

10. On average, a person needs seven minutes to fall asleep.

11. Right-handed people chew most of their food on the right side of their mouth, whereas left-handed people do so on the left.

12. Only 7% of people are left-handed.

13. The fragrance of apples and bananas can help a person to lose weight.

14. If allowed to grow for their whole lifetime, the length of someone's hair would be about 725 kilometres.

15. Out of all the people who can move their ears, only one third of them are able to move just one ear.