Helminths belong to the kingdom Animalia. This group includes various types of worms that are parasitic in nature. The main categories of helminths are divided into flatworms (Platyhelminthes) and roundworms (Nematoda).
To elaborate, helminths are multicellular organisms that exhibit a complex body structure. They are primarily known for their parasitic lifestyle, living inside the intestines of their hosts, which can be humans, animals, or other organisms. Their classification under Animalia highlights their significance in the animal kingdom, where they contribute to various ecological interactions, including those involving disease transmission.