NURSING ANM AND GNM

Detailed explanation-1: -A parasite is an organism that lives on or in a host organism and gets its food from or at the expense of its host. There are three main classes of parasites that can cause disease in humans: protozoa, helminths, and ectoparasites.

Detailed explanation-2: -The one that benefits from the other organism is called a parasite, while the organism that is being harmed is called a host.

Detailed explanation-3: -The correct option is D endoparasites. Parasites like tapeworm and roundworm live inside the internal organs or tissues of their hosts and derive nutrition from them. Such parasites are called as endoparasites.

Detailed explanation-4: -The host can be humans, plants and animals. The type of relationship between the host and the parasite can be defined as parasitism. Here, the parasite is benefited from the host resources – food and shelter. The harmed or infected organisms are called the host.