There are three types of solutions:-
i) Isotonic solution
ii) Hypotonic solution
iii) Hypertonic solution
i) Isotonic solution:- A solution having a concentration such that it neither gain or loses water by osmosis when it is separated by semipermeable membrane from a specific solution eg. 0.9% sodium chloride solution and 5% glucose solution are isotonic.
ii) Hypertonic solution:- The solution having concentration such that it gains water solvent by osmosis across a semipermeable membrane from some other specified solution. When RBCs are placed in a hypertonic solution then exosmosis occurs and RBCs become smaller.
iii) Hypotonic solution:- A solution having a concentration such that it loses water or solvent by osmosis across a semipermeable membrane to some other specified solution. When RBCs placed in hypotonic solution, then endosmosis occurs and RBCs become swollen and spherical.
i) Isotonic solution
ii) Hypotonic solution
iii) Hypertonic solution
i) Isotonic solution:- A solution having a concentration such that it neither gain or loses water by osmosis when it is separated by semipermeable membrane from a specific solution eg. 0.9% sodium chloride solution and 5% glucose solution are isotonic.
ii) Hypertonic solution:- The solution having concentration such that it gains water solvent by osmosis across a semipermeable membrane from some other specified solution. When RBCs are placed in a hypertonic solution then exosmosis occurs and RBCs become smaller.
iii) Hypotonic solution:- A solution having a concentration such that it loses water or solvent by osmosis across a semipermeable membrane to some other specified solution. When RBCs placed in hypotonic solution, then endosmosis occurs and RBCs become swollen and spherical.
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