Osmolarity and Body Volume - published: 02/10/2007

Extract

[...] Discussion Our data showed that when worms are put into solutions that are greater or less salinity and 125% salinity) then their isotonic conditions, the worms either lose or gain weight through osmosis. When the worms were placed in an environment that is hypotonic they gained weight because they took in water in order to dilute their internal salinity to match the environment. When placed in a hypertonic solution they lost weight because they released water too concentrate their internal salinity. [...]

[...] Osmolarity and Body Volume Introduction Our bodies and many other animals' cells extracellular and intracellular fluids are mainly comprised of water with ionized salts in solution. These salts, mainly Ca2+, and Mg2+ ( Foundations Of Biology: Cell and Organ Physiology, Faculty of the Department of Neurobiology and Behavior SUNY Stony Brook; Pacific Crest 2007, Lisle IL: pg can appear in an organism in different times in varying amounts. Animals, including humans regulate the different concentrations of salt in their bodies versus the environment through osmosis, which is the movement of water molecules across a semipermeable membrane from a region of low solute potential to an area of high solute potential ( Wikipedia, the Free Encyclopedia, Wikimedia Foundation, Inc. [...]