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.
Chayote High In Minerals. 1  Manganese helps the body form connective tissue, in addition is found mostly in bones to control calcium absorption. 2  Copper use in the brain is vitally important but it is used to transmit messages to the body to support its function.