People that smoke have 10 times as many wrinkles as a person that does not smoke.
The cornea is the only living tissue in the human body that does not contain any blood vessels.
The white part of our eye is called the "sclera." At the front, the sclera becomes clear and is called the "cornea."
Humans breathe in and out approximately one litre of air in ten seconds.
Every day 2,700 people die of heart disease.
By the time you are 70 you will have easily drunk over 12,000 gallons of water.
A sneeze leaves your body at 40 miles per hour.
85% of the population can curl their tongue into a tube.
Fat is important for the development of children and normal growth.
The stomach of an adult can hold 1.5 liters of material.