Osmolarity And Body Volume
Introduction:
Osmosis is the passage of water from a region of high water concentration through a semi permeable membrane to a region of low water concentration. There are three basic states in which animal cells exist when referring to osmosis, tonicity, and osmotic balances within an organism; hypotonic, hypertonic, and isotonic. If too much water enters the cells they will swell and possibly burst and this is known as a hypotonic state. If too much water is lost from the cell, it could shrivel and die. This state is known as a hypertonic state. Water flows through the cell constantly in both directions (in and out). If there is no difference in the concentration of the solution inside the cell and outside the cell, there will be no overall net movement of water keeping the cell isotonic.
It is obviously in the cells best interest to remain isotonic to its environment, therefore the cells must be bathed in a solution having the same osmotic strength as that of the......
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