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 person's belly button harbors a unique combination of bacteria, many of which are beneficial. This demonstrates how even seemingly simple body parts can be complex microenvironments.

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...

Read more: The acid in your stomach is strong enough to dissolve metal.

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...

Read more: An adult human body contains approximately 100,000 miles of blood vessels.

Did You Know?

Your stomach lining replaces itself every 4 days.

The stomach's mucous membrane constantly regenerates to protect itself from the powerful acid it contains. This rapid turnover...

Read more: Your stomach lining replaces itself every 4 days.