If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
The average sperm cell swims at 8 inches per hour.
76
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
There are about 1,400 different species of bacteria in your belly button.
10
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
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