Flow measurement is the quantification of bulk fluid movement. Consider a pipe containing a flowing fluid. Training in a viscous, buoyant fluid gave a better simulation. Another example of a shear thinning fluid is blood. Stem cells are present in amniotic fluid. About half of menstrual fluid is blood. The density and viscosity are those belonging to the fluid. Rescue treatments consist of washout of the cerebrospinal fluid and administration of protective medications. These two tissues transport fluid and nutrients internally. Endolymph is a fluid similar in composition to the intracellular fluid found inside cells. Matter flows differently at different pressures based on the laws of fluid dynamics. They result from the wind blowing over an area of fluid surface. It envelops the arachnoid mater, which is responsible for keeping in the cerebrospinal fluid. It is used as a solvent in some brands of correction fluid. The cells in suspension enter into the instrument enclosed by an outer sheath fluid.