Your thumb is about the same size as your nose.
124
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
You see your nose at all times, your brain just chooses to ignore it.
30
The human body contains over a billion miles of DNA.
147
There are about 1,400 different species of bacteria in your belly button.
10
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
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