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 |
