The world's shortest man measures only 21.5 inches.
73
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
94
Pain occurs when sounds are above 130 db.
123
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Tigers can see 6 times better at night than humans.
305
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191