Planarians are 涡虫not too harmful to the human body. This is a creature that likes to live in water. In the history of animal evolution, there are actually many such typical animals, but planarians are one of them. When seeing this kind of planarian, I believe that many people are particularly afraid. Its body is yellow, looks very long, and has a series of lines, giving people a feeling of terror. In fact, it does not It does not harm human beings, but it does not do much harm to human bodies.   。