Why do jellyfish sting?
Jellyfish use their venom as a defence mechanism to protect itself and to kill prey. Their venom is made of toxins that attack the heart, nervous system and the skin cells making its prey paralysed or shocked. The jellyfish has 15 tentacles and each tentacle has about 5,000 string cells, which are triggered by by the presence of the chemical on the outer layers of its prey. The cells in the strings are called cnidocytes and the venom is actually called nematocysts. The venom paralyses
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