Fascinating Jellyfish Facts

Jellyfish facts and photos

Jellyfish lost in space They don’t have a heart, lungs or a brain either! So how does a jellyfish live without these vital organs? Their skin is so thin that they can absorb oxygen right through it, so they don’t need lungs. They don’t have any blood so they don’t need a heart to pump it. And they respond to the changes in their environment around them using signals from a nerve net just below their epidermis — the outer layer of skin. It is sensitive to touch, so they don’t need a brain to proc

The jellyfish with the heart of a rat

Jellyfish 101

Take a look at a jellyfish sting in slow motion