The human sigh acts as a physiological reset button.
23
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Your heart will pump about 212 million liters in its lifetime.
26
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
If you hold farts in during the day, they'll just come out when you sleep.
16
Your thumb is about the same size as your nose.
124