Human Factoids
Your backbone enables you to stand erect while other bones protect the insides of your body.
When you were born you had over 300 bones; as you grew, some of these bones fused together so adults have 206 bones.
Your hand has 27 bones and your face has 14.
The longest bone in your body is the femur (thigh bone) while the smallest bone is the stirrup which is in your ear (1/10").
The first vertebra in the human neck is called the Atlas after the mythological Greek God who was forces to hold the world on his shoulders.
Babies are born without kneecaps; the kneecaps develop between the age of 2 and 6 years old.
By donating just one pint of blood, four lives can be saved.
Your blood takes a long trip through your body. If you could stretch out all of your blood vessels, they would be about 60,000 miles long. That's enough to go around the world twice!
Your jaw muscles can generate a force of 200 pounds on the molars.
Each pound of body fat stores 3500 calories.
Our eyes are always the same size from birth, but our nose and ears never stop growing.
As an adult, you have more than 20 square feet of skin on your body which is about the same square footage as a queen sized blanket.
In your lifetime, you will shed over 40 pounds of skin.