Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
If you hold farts in during the day, they'll just come out when you sleep.
16
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
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
In one day, adult lungs move about 10,000 litres of air.
11
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199