During a typical human life span, the human heart will beat approximately 2.5 billion times.
21
A fetus develops fingerprints at eighteen weeks!
32
A person infected with the SARS virus, has a 95-98% chance of recovery.
23
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
Flu shots only work about 70% of the time.
18
Fingernails grow fastest on the hand you favor.
44
Every time you sneeze some of your brain cells die.
113