A person can live without food for about a month, but only about a week without water.
If the amount of water in your body is reduced by just 1%, you'll feel thirsty.
If it's reduced by 10%, you'll die.
More Humans Facts
The brain of an average adult male weighs 1,375 gm (55 oz). The brain of Russian novelist Turgenev weighed 2021 gm (81 oz), Bismark's weighed 1807 gm (72 oz), while that of French statesman Gambetta was only 1294 gm (51 oz). Einstein's brain was of average size.
The average person walks the equivalent of twice around the world in a lifetime.
You blink over 10,000,000 times a year!