The average sperm cell swims at 8 inches per hour.
4
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
By weight, Bone is five times stronger than steel.
417
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
One human hair can support 3 ounces.
191
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132