Jelly fish have a decentralized nervous system called a nerve net which helps them to respond, move, and find food without a central brain, heart, or blood. #JellyFishDay #JellyFish #AnimalPlanetIndia #AnimalPlanet | Animal Planet India

No brains. No Bones. No blood. Jellyfish are relatively simple creatures. They do have a basic nerve net, with which they can smell, detect light, and respond to some other stimuli. The features they are probably most known for (at least to fearful beachgoers) are their tentacles and stinging cells called cnidocytes: “They are small compartments that house a mini needle-like stinger. When an outside force triggers a stinger, the cell opens, letting ocean water rush in. This causes the stinger to