Biology Facts & Trivia
The life of an eyelash is about 5 months.
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The nerves in our body are most concentrated in our fingertips.
Turtles and sea cucumbers can breathe through their butts. The cow has four stomachs, as most ruminant mammals do.
There are more species of fish in Amazon river than in the entire Atlantic Ocean (Over 2,000).
A worm is both male and female at the same time (a hermaphrodite.) |
The lightest organ in the human body is the lung. 
An ostrich egg is also the largest existing single cell. 
A kind of jellyfish (Turritopsis nutricula) upon reaching adulthood can transform itself back to childhood by converting its cells. It may repeat this to live forever. 
To avoid predators, a mother Slow Loris licks its offspring with poison before sending them off to search for food. 
The fungus Cordyceps is able to "mind-control" other insects like ants to climb plants and attach there to become its food. 
The largest frog in the world is The Goliath Frog of 
When the queen of a clownfish school dies, a male clownfish changes its gender to become female and takes her place. 
The Horseshoe crab has blue blood. 
Dolphins cannot stay long underwater because they breathe through their blowholes above water. 
The most poisonous snake in the world is Belcher's Sea Snake or the Faint-banded Sea Snake (Hydrophis belcheri). 
The little Alaskan Wood Frog is capable of reviving itself back to normal life after staying completely frozen for months, during which its heart, brain and other organs stop functioning. 
Some species of earthworm can have as many as 10 hearts. 
Chameleons often have tongues longer than their bodies.