The following are stunning facts about human body ;
1 - Our eyes are always the same size from birth, but our ears and nose never stop growing.
2 - The strong contraction of your heart create enough pressure to squirt blood as far as 30 feet.
3 - The brain doesn't feel pain. Even though the brain processes pain signals, the brain itself does not actually feel pain.
4 - The surface area of a human lung is equal to a tennis court.
5 - In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.