A hard working adult sweats up to 4 gallons per day.
39
Approximately 70,000 people in the U.S. are both blind and deaf!
7
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Only 10-20% of the population can wiggle their ears and raise one eyebrow.
22