Biology Facts & Trivia - Page 9

The smallest bone in the human body is the stapes or stirrup bone located in the middle ear. It is approximately 0.28 cm (0.11 in) long.
The Stegosaurus dinosaur measured up to 9.1 m (30 ft) long but had a brain the size of a walnut.sciensational.com
It takes approximately 12 hours for food to entirely digest.
The longest living cells in the body are brain cells which can live an entire lifetime.
The Atlantic Giant Squid's eye can be as large as 40 cm (15.75 in) wide.
Chimpanzees are the only animals that can recognize themselves in a mirror.
House flies have a lifespan of two weeks.sciensational.com
Starfish don't have brains.
The average person falls asleep in seven minutes.
Shrimp's heart is in its head. Submitted by: Scien
Emus and kangaroos cannot walk backwards.
Cats have over one hundred vocal sounds, while dogs only have about ten.sciensational.com
Porcupines float in water.
An iguana can stay under water for twenty-eight minutes.
The common goldfish is the only animal that can see both infra-red and ultra-violet light.
Our eyeballs remain almost the same size since birth, but our nose and ears never stop growing.
Ants cannot chew their food, they move their jaws sideways, like scissors, to extract the juices from the food.sciensational.com
Hummingbirds are the only animals able to fly backwards.
Armadillos can walk underwater.
There are more beetles than any other kind of creature in the world.