Posted : 8 years ago

On average, you speak almost 5,000 words a day – although almost 80% of speaking is self-talk (talking to yourself).

Hippocrates, the Father of Medicine, suggested that a woman could enlarge her bust line by singing loudly and often.

The first human sex change took place in 1950 when Danish doctor Christian Hamburger operated on New Yorker George Jargensen, who became Christine Jargensen.

King Henry I, who ruled in the England in the 12th century, standardised the yard as the distance from the thumb of his outstretched arm to his nose.

Einstein’s brain was of average size (1375 grams – 49oz).

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Posted : 8 years ago

In the 19th century, American men were the tallest in the world, averaging 1,71m (5’6″). Today, the average height for American men is 1,75m (5’7″), compared to 1,77m (5’8″) for Swedes, and 1,78m (5’8.5″) for the Dutch.

A person remains conscious for eight seconds after being decapitated.

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.

In 1900, a person could expect to live to be 47. Today, the average life expectancy for men and women in developed countries is longer than 70 years.

The bones in your body are not white – they range in color from beige to light brown. The bones you see in museums are white because they have been boiled and cleaned.

Posted : 8 years ago

On average, people can hold their breath for about one minute. The world record is 15 minutes 2 seconds, by Tom Sietas..

After a certain period of growth, hair becomes dormant. That means that it is attached to the hair follicle until replaced by new hair.

The liver is the largest of the body’s internal organs. The skin is the body’s largest organ.

Our eyes are always the same size from birth.

Approximately two-thirds of a person’s body weight is water. Blood is 92% water. The brain is 75% water and muscles are 75% water.

Hair on the head grows for between two and six years before being replaced. In the case of baldness, the dormant hair was not replaced with new hair.

Posted : 8 years ago

The colored part of the eye is called the iris. Behind the iris is the soft, rubbery lens which focuses the light on to a layer, called the retina, in the back of the eye. The retina contains about 125 million rods and 7 million cones. The rods pick up shades of grey and help us see in dim light. The cones work best in bright light to pick up colours.

Your mouth produces 1 liter (1.8 pints) of saliva a day.

Over the last 150 years the average height of people in industrialized nations increased by 10 cm (4 in).

In the Middle Ages the length from the tip of the middle finger to the elbow was called an ell.

Fingernails grow nearly 4 times faster than toenails.

Posted : 8 years ago

The tallest nation in the world is the Watusis of Burundi.

A typical athlete’s heart churns out 25 to 30 litres (up to 8 gallons) of blood per minute.

About 13% of people are left-handed. Up from 11% in the past.

The human head contains 22 bones.

Men loose about 40 hairs a day. Women loose about 70 hairs a day.