In the Middle Ages the length from the tip of the middle finger to the elbow was called an ell.
A person remains conscious for eight seconds after being decapitated.
The first successful human sex change took place in 1950 when Danish doctor Christian Hamburger operated on New Yorker George Jorgensen, who became Christine Jorgensen.
The muscle that lets your eye blink is the fastest muscle in your body. It allows you to blink 5 times a second.
On average, you blink 15 000 times a day. Women blink twice as much as men.
A typical athlete’s heart churns out 25 to 30 litres (up to 8 gallons) of blood per minute.
We have four basic tastes. The salt and sweet taste buds are at the tip of the tongue, bitter at the base, and sour along the sides.
Not all our taste buds are on our tongue; about 10% are on the palette and the cheeks.
Unless food is mixed with saliva you cannot taste it.
The liver is the largest of the body’s internal organs. The skin is the body’s largest organ.
On average a hiccup lasts 5 minutes.
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