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Facts About the Human Body

Toenails contain gold.

It isn't possible to keep your eyes open while sneezing. (source)

When you blush, the lining of your stomach also becomes redder. (source)

Your muscles and ligaments, not your skeleton, hold your body up. (source)

Slightly over one-quarter of the bones in your body (52 out of 206) are in your feet. (source)

There's no evidence that reading in dim light can ruin your eyesight. (source)

Fingernails grow between three and four times faster than toenails.

A person who lives in a hot climate can sweat up to three gallons daily. (source)

The average adult human has an estimated 14 to 18 square feet of skin. (source)

The longest moustache ever recorded belonged to Badamsinh Juwansinh Gurjar of India. In 2004, it was measured to be 12.5 feet long.

The hyoid bone, which is in your throat, is the only bone that does not connect with any other bone in the body. (source)

In the human body, blood that is travelling through veins back to the heart and lungs is coloured blue, not red. However, blood always appears red when the skin is cut because, upon contact with the oxygen-rich atmosphere, it turns red. (source)

While the human body contains around 2,000 major muscles, an elephant's trunk contains nearly 10,000 muscles.

View more facts about: Animals

A 1982 study that investigated the stomach's response to nine different beverages (milk, tea, beer, three kinds of coffee, and three types of soft drinks) found that milk produces more acid than any of the other beverages. (source)

You can see a distance of 24,000,000,000,000,000,000 kilometres with the naked eye. This is the distance from Earth to the Andromeda Galaxy, which can be seen with the naked eye on a clear night where there is little light pollution. This is the most distant object that can be seen with the naked eye. (source)

In movies and television, people who are fatally shot or who otherwise die suddenly are depicted as falling backwards. However, someone who suddenly dies while standing, for whatever cause, almost always falls forward. Even if a person were struck by a bullet from the front, the bullet's momentum would usually be insufficient to overcome the tendency of a dying person to fall forwards. (source)

View more facts about: Misconceptions

The left-hand side of your heart is much stronger than the right-hand side. The left half of your heart has to pump blood throughout the entire body, while the right half pumps blood only through the lungs. (source)

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