Osmoregulation. Osmoregulation is the process of maintaining salt and water balance (osmotic balance) across membranes within the body. The fluids inside and surrounding cells are composed of water, electrolytes, and nonelectrolytes.Click to see full answer. Thereof, why is Osmoregulation important in animals?Osmoregulation refers to the physiological processes that maintain a fixed concentration of cell membrane-impermeable molecules and ions in the fluid that surrounds cells. Because water is essential to life, osmoregulation is vital to health and well-being of humans and other animals.One may also ask, what do you mean by Osmoregulation? Definition. The process of regulating water potential in order to keep fluid and electrolyte balance within a cell or organism relative to the surrounding. Supplement. In biology, osmoregulation is important to organisms to keep a constant, optimal osmotic pressure within the body or cell. Also know, what animals are Osmoregulators? Osmoregulators actively control salt concentrations despite the salt concentrations in the environment. An example is freshwater fish. Some fish have evolved osmoregulatory mechanisms to survive in all kinds of aquatic environments.How is Osmoregulation achieved?Osmoregulation is usually achieved by excretory organs that serve also for the disposal of metabolic wastes. Organelles and organs that carry out osmoregulation include contractile vacuoles, nephridia, antennal glands, and malpighian tubules of invertebrates, and salt glands and kidneys of vertebrates.