The tongue is the strongest muscle in the human body.
50
Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Motorists who talk on cell phones are more impaired than drunk drivers with blood-alcohol levels exceeding .08!
49
A fetus develops fingerprints at eighteen weeks!
32
You inhale about 700,000 of your own skin flakes each day.
29
Every year your body replaces 98% of your atoms.
119
In the average lifetime a person will breath in about 44 pounds of dust.
21