An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
A human being loses an average of 40 to 100 strands of hair a day.
133
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
On average, there's 100 billion neurons in the human brain.
83
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191