The human sigh acts as a physiological reset button.
23
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
You have no sense of smell when you're sleeping!
72
A man's beard grows fastest when he anticipates sex.
239
About 400 different kinds of microbes live on and in the human body.
-3
The average office desk has 400 times more bacteria than a toilet.
22