An octopus in danger can squirt a stream of ink at its attacker. See more

Some birds have been know to put ants into their feathers because the ants squirt formic acid, which kills parasites. See more

An octopus can change its shape and color to blend in with its surroundings. See more

An Octopus has 3 hearts. See more

The human heart creates enough pressure when it pumps, to squirt out blood 30 feet high. See more