In one day, adult lungs move about 10,000 litres of air.
11
At age 70, more than 70 percent of men are still potent!
29
Fingernails grow fastest on the hand you favor.
44
Unlike dogs, pigs, and some other mammals, humans cannot taste water. They taste only the chemicals and impurities in the water.
95
It takes 17 muscles to smile, 43 to frown.
65
The average tastebud lives only 10 days before it dies and is replaced by a new one.
15
Your heart pumps about 2,000 gallons of blood each day!
53