1= You shed about 600,000 particles of skin every hour. That's about 1.5 pounds of skin shed per year, and around 105 pounds of skin by the age of 70.
2=Men produce about 10 million new sperm every day. Do the math: That's enough to repopulate the entire planet in six months.
You have more bacteria in your mouth than there are people in the world.
4 =Your heart produces enough energy every day to drive a truck for 20 miles.
5= Ounce for ounce, your bones are stronger than steel.
Your body is hot enough to boil half a gallon of water in just 30 minutes.