Did You Know?
Human teeth are just as strong as shark teeth.
While shark teeth are often thought to be superior, human teeth are equally strong by volume. The enamel covering our teeth is the hardest substance in the human body and can withstand tremendous pressure. Its unique crystalline structure makes it harder than steel but more brittle.
Did You Know?
The acid in your stomach is strong enough to dissolve metal.
Stomach acid, or hydrochloric acid, has a pH of between 1 and 3, making it strong enough to...
Did You Know?
The average person has 67 different species of bacteria in their belly button.
A study of belly button biodiversity found a diverse ecosystem of microorganisms living in this small space. Each...
Did You Know?
An adult human body contains approximately 100,000 miles of blood vessels.
If all the arteries, veins, and capillaries in your body were laid end to end, they would circle...