The average person's skin weighs twice as much as their brain.
131
Enamel is hardest substance in the human body.
61
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
34
Your heart will pump about 212 million liters in its lifetime.
26
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93