Ectoparasite: parasites that live on the surfaces of host organisms or in the skin and do not invade the inner body Examples of ectoparasites Fleas, head lice and bed bugs Endoparasite Endoparasites are parasites which live inside a host and generally inhabit areas such as the gut, lungs, heart and blood vessels. Examples of endoparasites Tapeworm, fluke and roundworm