The average sperm cell swims at 8 inches per hour.
4
By weight, Bone is five times stronger than steel.
417
Medical research has found substances in mistletoe that can slow down tumor growth.
32
A person can live without food for about a month, but only about a week without water.
156
An average adult produces about half a liter of flatulent gas per day, resulting in an average of about fourteen occurrences of flatulence a day.
8
The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130
Every cigarette smoked cuts at least five minutes of life on average, which is roughly the time it takes to smoke one cigarette.
118
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