The average sperm cell swims at 8 inches per hour.
76
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
A person can live without food for about a month, but only about a week without water.
156
Your heart rate can rise as much as 30% during a yawn.
69
The heart pumps about 1 million barrels of blood during an average lifetime!
30
In the average lifetime a person will breath in about 44 pounds of dust.
21
Although men ARE more likely to suffer heart attacks, women are more likely to die within a year from having a heart attack.
50