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Hummingbirds can't walk.

Moths have no stomach.

On an average, most people blink about 15,000 times in a 16-hour day (awake.)

The human head is a quarter of our total length at birth, but only an eighth of our total length by the time we reach adulthood.

The human body has enough fat to produce 7 bars of soap.

There are more living organisms on the skin of a single human being than there are human beings on the surface of the earth.

If your mouth was completely dry, you would not be able to distinguish the taste of anything.

The brain uses more than 25% of the oxygen used by the human body.

15 million blood cells are produced and destroyed in the human body every second.

In your lifetime, you'll shed over 40 pounds of skin.

As an adult, you have more than 20 square feet of skin on your body--about the same square footage as a blanket for a queen-sized bed.

Everyone's tongue print is different.

The human brain is 80% water.

Only humans sleep on their backs.

There are more beetles than any other kind of creature in the world.

Armadillos can walk underwater.

Hummingbirds are the only animals able to fly backwards.

Ants cannot chew their food, they move their jaws sideways, like scissors, to extract the juices from the food.

Our eyes are always the same size from birth, but our nose and ears never stop growing.

The common goldfish is the only animal that can see both infra-red and ultra-violet light.

An iguana can stay under water for twenty-eight minutes.

Porcupines float in water.

Cats have over one hundred vocal sounds, while dogs only have about ten.

Emus and kangaroos cannot walk backwards.

Shrimp's heart is in its head. Submitted by: Scien

The average person falls asleep in seven minutes.

Starfish don't have brains.

Chimpanzees are the only animals that can recognize themselves in a mirror.

House flies have a lifespan of two weeks.

The Atlantic Giant Squid's eye can be as large as 15.75 inches (40 centimeters) wide.

The longest living cells in the body are brain cells which can live an entire lifetime.

It takes approximately 12 hours for food to entirely digest.

The Stegosaurus dinosaur measured up to 30 feet (9.1 meters) long but had a brain the size of a walnut.

The smallest bone in the human body is the stapes or stirrup bone located in the middle ear. It is approximately .11 inches (.28 cm) long.

The world's largest amphibian is the giant salamander. It can grow up to 5 ft. in length.

Snakes are true carnivorous because they eat nothing but other animals. They do not eat any type of plant material.

When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat. Submitted by: Jeremy - United States

93% of a water melon is water.

The human body has less muscles in it than a caterpillar.

When you blush, your stomach lining also reddens.

The human body contains about six-thousand miles of blood vessels.

The surface area of a human lung is equal to that of a tennis court.

From the age of thirty, humans gradually begin to shrink in size.

The housefly hums in the middle octave, key of F

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