The tentacles of jellyfish have a large number of cnidocytes, which contain venom. Its components are mainly proteinoids, peptides and a variety of toxic enzymes. In addition, there are strong anesthetics, analgesics, and histamine. wait. When the human body comes into contact with jellyfish tentacles, the cnidocytes can penetrate the skin, causing cnidoma dermatitis, which can lead to death in severe cases. Therefore, you will be stung by jellyfish accidentally, mainly because there are many stinging cells on the tentacles of jellyfish.

So choose: A