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level: Level 1

Questions and Answers List

Question	Answer
acts as a solvent, allowing electrolytes to ionize is a reagent in many chemical reactions acts as a transport median eg. blood cushioning for organs controls temp	function of water
the water inside the cells 2/3	intracellular fluid
the water outside the cells 1/3	extracellular fluid
kidneys as urine lungs as expired air the skin by diffusion and sweat the intestines as feces	the main exits of fluid
can cause over hydration and cells start to overfill	excess water
causes dehydration and a drop in blood volume and therefore a drop in blood pressure	insufficient water
when water loss is greater than water gain	dehydration
a substance which forms ions in a water solution. a tool to control the movement of fluids between the fluid compartments	electrolytes
is the total solute concentration in a solution	osmolarity
describes how the solution affects cells	tonicity
being neutral water gain and loss are equal/ solutes and water fluid in cells are equal. cells remain the same size and shape	isotonic
solutions have to many solutes and therefore greater water loss from cells. cells shrink in size caused by water loss	hypertonic
have less solutes than cells therefore water moves into the cells. water moves in so cells grow in size and can burst	hypotonic