Biology Facts & Trivia - Page 8

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

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

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

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

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. Sciensational.com

Everyone's tongue print is different.

The human brain is 80% water. Sciensational.com

Only humans sleep on their backs.

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

Armadillos can walk underwater. Sciensational.com

Hummingbirds are the only animals able to fly backwards. Sciensational.com

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. Sciensational.com

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

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

Porcupines float in water. Sciensational.com

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

Emus and kangaroos cannot walk backwards. Sciensational.com

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