Biology Facts & Trivia - Page 9
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 18kg (40lb) of skin. Sciensational.com
As an adult, you have more than 6 square meters (20 sq ft) of skin on your body — about the same are 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.
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. Sciensational.com
Our eyeballs remain almost the same size since 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.
An iguana can stay under water for twenty-eight minutes. Sciensational.com
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. Submitted by: Scien
The average person falls asleep in seven minutes. Sciensational.com
Starfish don't have brains. Sciensational.com