The world's shortest man measures only 21.5 inches.
73
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
It takes approximately 12 hours for food to entirely digest.
93
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Pain occurs when sounds are above 130 db.
124
Every human spent about half an hour as a single cell.
144