Held in farts enter your bloodstream and are bad for your body.
26
Your thumb is about the same size as your nose.
124
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
There are about 1,400 different species of bacteria in your belly button.
10
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
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
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22