A human body contains 0.2 mg of gold.
Gold is found in the blood and it is necessary for our joints. It is also an essential element in transmitting electric signals throughout the body. An average person’s body, weighing 70 kilograms, would contain a total mass of 0.2 milligrams of gold. If the amount of gold in the human body was turned into a solid cube, it would measure around 0.22 millimeters.
"Car on the right has the right-of-way" is true in the US as well - look it up - but the importation of a culture with no rules has badly eroded the observance of this standard.
#12 1000 a day or a year?
Some backward third world country still living in 1932 ?
A gallon is a part of a binary volume measurement system. It is very efficient (ask your computer, which spends way too much time converting to base-10). Volume is also correlated with the weight of water on Earth, "A pint (1/8 gallon [volume]) is a pound (16 ounces [force]) all the world round".
The French had a chance to make the Metric system similarly grounded in the world we live in, but they hated the English I guess so they decided to go with a less useful, arbitrary standard instead.