The world's first test-tube twins were born in June 1981.
The average lifespan of a human being's taste bud is 7 to 10 days.
There are 1,200,000 fibers in a human optic nerve.
The average male adult can bench-press 88 percent of his body weight, having 70 to 80 pounds of muscle.
There are 100 billion neurons in the human brain. Each neuron is linked to hundreds of other neurons.
The average man's muscles comprise about 40 percent of body weight, or about 70 pounds. The average woman's muscles make up about 30 percent of body weight, or about 43 pounds.
There are 110 calories per hour consumed during an hour of typing – only 30 more than those used while sleeping.
The average person can live up to eleven days without water, assuming a mean temperature of 60° F.
There are 20 teeth in any human's first set of teeth. By adulthood, humans have 32 teeth that must last for a lifetime.
The average person sheds about 1 and a half pounds of skin each year.
There are 22 bones in the adult human skull.
The average person takes 8,000 to 10,000 steps a day, according to the American Podiatric Association.
There are 230 joints in the human body.
The average person takes from twelve to eighteen breaths per minute.
The average person who stops smoking requires one hour less sleep a night.
The average person's field of vision encompasses a 200-degree wide angle.
There are 3 million stutterers in the United States and a similar proportion in every other part of the world.
There are 35 million digestive glands in the stomach.
There are 62,000 miles of arteries, capillaries, and veins in the adult human body.
The average person's hair will grow approximately 590 inches in a lifetime.
|© 2006 The Mine of Useless Information|