1 The kidneys are used to remove excess water and ions from the blood. 2  These are then expelled as urine. 3  The kidneys perform a vital role in homeostatic regulation in mammals, removing excess water, salt, and urea from the blood.
Ectoparasites Parasites that live on the outside of the host, either on the skin or the outgrowths of the skin, are called ectoparasites. They are directly transmitted between hosts.
Making the world better, one answer at a time. parsites are of two types-ectoparasites and endoparasites............... endoparasites are those parasites which live inside the body of its host. ectoparasites are those parasites which live outside the body of the host.endoparasites take up the food that the host eats as they live inside the body of the host. eg-worms inside the stomach take up the digested food from the stomach.aking the world better, one answer at a time. parsites are of two types-ectoparasites and endoparasites............... endoparasites are those parasites which live inside the body of its host. ectoparasites are those parasites which live outside the body of the host.