Cats average 16 hours of sleep a day, more than any other mammal.
During pregnancy, the average woman's uterus expands up to five hundred times its normal size.
Every square inch of the human body has an average of 32 million bacteria on it.
Humans shed about 600,000 particles of skin every hour - about 1.5 pounds a year. By 70 years of age, an average person will have lost 105 pounds of skin.
If the average man never trimmed his beard, it would grow to nearly 30 feet long in his lifetime.
In 1900 the average age at death in the US was 47.
It takes a lobster approximately 7 years to grow to be one pound.
On average women say 7,000 words per day. Men manage just over 2000.
On average, 150 couples get married in Las Vegas each day.