The lower boundary of the exosphere is called the exobase. It is also called exopause and 'critical altitude' as this is the altitude where barometric conditions no longer apply. Atmospheric temperature becomes nearly a constant above this altitude.
Sodium â the volatility and solvent mineral: essential to life, all body fluids contain sodium â itâs needed for many biochemical processes including water balance regulation, fluid distribution on either side of the cell walls, muscle contraction and expansion, nerve stimulation and acid-alkaline balance.
Answers. Best Answer: Primarily fluid balance is controlled by the hormones ADH (anti-diuretic hormone, also known as Vasopressin) which is produced in the hypothalamus and released from the pituitary gland.It acts on the distal convoluted tubule and collecting duct of the kidney and causes water to be retained.nswers. Best Answer: Primarily fluid balance is controlled by the hormones ADH (anti-diuretic hormone, also known as Vasopressin) which is produced in the hypothalamus and released from the pituitary gland.