Redheads require more anesthesia to 'go under' than other hair colors do.
51
When a person dies, hearing is usually the last sense to go.
124
Your tongue is the only muscle in your body that is attached at only one end.
173
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Your body is creating and killing 15 million red blood cells per second!
14
Your body is creating and killing 15 million red blood cells per second.
50
The human body contains over a billion miles of DNA.
147
By weight, Bone is five times stronger than steel.
417