Body of adult jellyfish consists of a bell-shaped body made ​​of “jelly” that envelops an internal structure that branches out from it. Medusas body contains 97% water.

They have no vertebrae, bones, heart, brain, eyes, blood, fins and gills.
Along the coast of Israel and the jellyfish are not fatal and serious injury and often accompanied by burning and redness of the skin.

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