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.
In a nutshell, iontophoresis is the more effective delivery of ingredients (such as vitamins, antioxidants or peptides) that permeate the skin beyond the superficial level. The term is partially derived from the Greek word phoresis for movement and the electrical term ion, to define the use of electrical movements.