If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
One human hair can support 3 ounces.
191
A person can live without food for about a month, but only about a week without water.
156
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
If you hold farts in during the day, they'll just come out when you sleep.
16
There are about 1,400 different species of bacteria in your belly button.
10
Our Right Lungs takes more air than our left lung.
194
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89