By weight, Bone is five times stronger than steel.
417
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
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Our Right Lungs takes more air than our left lung.
194
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Enamel is hardest substance in the human body.
61
The average person's skin weighs twice as much as their brain.
131
A human being loses an average of 40 to 100 strands of hair a day.
133