On average, there's 100 billion neurons in the human brain.
83
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The human sigh acts as a physiological reset button.
23
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
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Poor eyesight (myopia) is associated with higher IQ.
232
The world's shortest man measures only 21.5 inches.
73
By weight, Bone is five times stronger than steel.
417