fluid balance

• too little water within a cell leads to deterioration
• too much water within a cell will cause it to burst
• hydrostatic pressure is pressure exerted by a fluid against the walls of a blood vessel causing movement between fluid compartments
• fluid can move between compartments along an osmotic gradient; meaning fluids will move from a low solute concentration to a high solute concentration
• in the arterial end of a capillary fluid will exit the capillary
• in the mid capillary fluid does not move in or out of capillary
• in the venous end of a capillary fluid re-enters the capillary
• ADH is a hormone that helps retain water by increasing water reabsorption by the kidneys, and triggering thirst to increase water intake