1. Human Bone
Human bone (especially the femur) is about 4 times stronger than concrete. A part of bone which is about cubic inch can bear a load of 19000lbs. (i.e. above 8.6tons).
2. Testicles
An average male produces about 10 million new sperm cells every day. This number of new sperms is enough to repopulate the entire planet in just 6 months.
3. Largest Organ
The largest organ of the human body is skin. Every person is likely to shed off about 40lbs of his skin in his lifetime.
4. Sleep
When you go to sleep, you wake up with a different size. A human body is tallest right after it wakes up from the bed. And the height seems small due to the hectic day and being weighed down by the forces of gravity.
5. Eye Focus
On an average, the focusing muscle of an eye moves about 100,000 times a day. From a different perspective, it would be same as walking 50 miles everyday for the muscles of your leg.
6. Body Heat
On an average, a human body releases heat in only half an hour which is enough to boil a half-gallon of water.
7. Exceptional Fact
Human beings are the only mammals in the world that cannot breathe and swallow at the very same time.
8. Blushing
Another amazing fact about your body is that when you blush, your stomach lining also reddens.
9. Saliva
This is interesting to know that in your lifetime you produce enough saliva to fill up at least 2 swimming pools.
10. Nose
The memory of your nose is great. It has the ability to remember about 50,000 different fragrances. Also, the air that comes from your nose when you sneeze has an unbelievable speed of 100mph or more.