10 Incredible Facts About Human Body

The human body is remarkable. Not convinced? Check out these ten surprising facts.
Some of an infant's 300 bones fuse together as they grow. By adulthood, they have 206 bones.
Hands, wrists, feet, and ankles have more than half of your bones.
Your body produces 25 million new cells per second. You'll make more cells than Americans in 15 seconds.
The thigh bone, or femur, is the biggest bone in the body. The stirrup bone inside your ear drum is the tiniest.
60,000-100,000 miles of blood arteries make up the human body. They would stretch around the planet three times if laid end-to-end.
Teeth are part of the skeletal system but not bones.
The brain consumes 20% of our oxygen and blood despite being 2% of our body mass.
Long-distance running is our specialty, even though humans are not the biggest, fastest, or strongest animals. Our long legs, upright stance, and ability to sweat make us superb runners. Persistence hunting, in which humans chased their target until it exhausted itself, was utilized by early humans.
Water makes up 60% of your body.
Your bones are stronger than steel per pound. A matchbox-sized bone block can hold 18,000 pounds.