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.
What are 3 internal parasites?
Internal parasites can be divided into three groups, namely round worms, tape worms and flukes. They are divided according to their various life cycles. They have a direct life cycle.
What are the common names for the 3 major groups of worms?
Worms are classified into three major phyla, or groups. They are flatworms, roundworms, and segmented worms.
What are 3 common parasites that are harmful to humans?
The enemy within: 10 human parasitesHookworm. (Necator americanus) ... Scabies mite. (Sarcoptes scabiei var. ... Roundworm. (Ascaris lumbricoides) ... Flatworm blood fluke. (Schistosoma mansoni, S. ... Tapeworm. (Taenia solium) ... Pinworm. (Enterobius vermicularis) ... Wuchereria bancrofti. ... Toxoplasma gondii.
What are three parasites examples?
Parasites may be characterized as ectoparasites—including ticks, fleas, leeches, and lice—which live on the body surface of the host and do not themselves commonly cause disease in the host; or endoparasites, which may be either intercellular (inhabiting spaces in the host's body) or intracellular (inhabiting cells in ...
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