A person will die from lack of sleep sooner than they will from starvation.
There are approximately 96,000 km of blood vessels in the human body.
If the lining of mucus were to disappear from your stomach, your stomach would digest itself.
Each person sheds 22 kilograms of skin in his or her lifetime.
More germs are transferred shaking hands than kissing.
When you were born, you had 300 bones. Now you have 206, if you are an adult. The rest of the bones have not disappeared – they have merely fused together.
Enamel, found on our teeth, is the hardest substance in the human body.
Like fingerprints, every person has a unique tongue print.