When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30
You mostly breathe from only one nostril at a time!
75
You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11
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
One quarter of the bones in your body are in your feet!
36
The chemicals indole and skatole, which help to account for the particular smell of human feces, are used as ingredients in perfume!
-3
Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10