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
The heart pumps about 1 million barrels of blood during an average lifetime!
30
An average adult produces about half a liter of flatulent gas per day, resulting in an average of about fourteen occurrences of flatulence a day.
8
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
A human being loses an average of 40 to 100 strands of hair a day.
133
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
You see your nose at all times, your brain just chooses to ignore it.
30
There's 100 trillion good bacteria living in your body.
17