Octopuses have three hearts

Photo courtesy: Shafaet Alam Abir

Octopuses have three hearts; a systemic heart that circulates blood round the body and two branchial hearts that pump it through each of the two gills. Octopus blood contains the copper-rich protein haemocyanin to transport oxygen.


Fact Factory Album


 

The largest snake ever lived was Titanoboa. It grew up to 42ft long and weighed over a ton
There are more than 1.4 billion insects for EACH HUMAN on the planet
Peregrine falcons are the fastest flying birds in the world–they are able to dive at 200 miles per hour
The housefly always buzzes in an F key
The cheetah can run as fast as 120km/h!
Koalas’ fingerprints are so close to humans that they can taint crime scenes
Cows kill more people than sharks
A Grizzly bear’s bite is strong enough to crush a bowling ball
Owls have no eyeballs
An ostrich’s eye is bigger than it’s brain