Your heart rate can rise as much as 30% during a yawn.
69
Fingernails grow fastest on the hand you favor.
44
Music has the ability to repair brain damage and return lost memories.
62
In one day, adult lungs move about 10,000 litres of air.
11
Poor eyesight (myopia) is associated with higher IQ.
232
Your heart pumps about 2,000 gallons of blood each day!
53
Like fingerprints, everyone's tongue print is different!
71