Amazing fact: gag reflex
You can disable your gag reflex by making a fist with your left hand and squeezing your thumb.
Amazing fact: bones
Bones make up only 14% of our weight.
Amazing fact: gold
Our bodies contain about 0.2 milligrams of gold, most of it in our blood. It would take 5,000 people to make a 0.35 ounce of gold.
Amazing fact: skin
The skin is the heaviest organ. The average adult skin weighs about 20 pounds.
Amazing fact: brain cells
Only 4% of the brains cells work and the remaining cells are kept in reserve.
Amazing fact: blood
In 24 hours, the blood in the body travels a total of 12000 miles - that's four times the width of North America.