About Your Body Author:Sandra Gottfried Part of the *FUN FACTS* series — Includes information on cells, blood at the heart, the brain and nerves, bones and teeth, muscles, lungs and breathing, digestion, skin hair and nails, the ear and hearing, sleep and dreams, health and disease — Has a few pictures, paragraph of information and bulleted interesting points/trivia. — For example: — *If ... more »you lined up about 2,500 "average" cells from the human body, they would form a line only one inch long.
*If you are ten years old, your heart has already pumped more than 60,000 tons of blood. This is equal to the weight of about 70 horses.
*The average adult brain weighs about three pounds, or the weight of three small grapefruit.
*The short neck of the elephant, the long neck of the giraffe, and a person's neck all contain seven bones.
*If all the muscles in your body could pull in one direction to do one job, you could lift more than 50,000 pounds.
*Your lungs are about the size of a pair of footballs.
*It takes a longer time to digest the butter on bread than it takes to digest the bread because the body digests starches (bread) more quickly than any other food.
*The right fingernails of right-handed people grow faster than their left fingernails do. Left-handed people have faster growing left fingernails.
*Thomas Edison was hard-of-hearing. He said, however, that his lack of hearing helped him to concentrate better on his work.
*On the average, a 12-year old needs nine hours of sleep per day, and an adult needs seven and one-half hours of sleep per day. A woman from England did not sleep for more than eighteen and one-half days. She set this record during a rocking-chair marathon in 1977.
*Starting in the 1100s, barbers acted as surgeons. The stripes on the barber's pole stand for blood and bandages.« less