How does osmosis work against homeostasis?

The fact that Reverse osmosis water is very refined and does not have regular minerals and salts that are vital to the bodies continued health means that a regular water supply that is replaced by water that has passed through the reverse osmosis process will mean that the water needs to be supplemented by getting minerals and salts from other sources. read more

homeostasis is essentially the maintenance of the body's internal environment, including things like levels of water for substances like blood (less water means more viscous blood). For this particular example, osmosis takes part in the kidney, affecting how much water is reabsorbed into the body hence affecting the thickness of blood. read more