Blood cells are isotonic with 0.9% NaCl solution. What happen when blood cells are placed in a solution containing (i) 1.2% NaCl solution (ii) 0.4 % NaCl solution OR
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1.2% sodium chloride solution is more concentrated and is hypertonic in nature. Osmosis takes place from 0.9% sodium bloride solution (hypotonic). As a blood colls shrind.
0.4% sodium chloride solution is less concentrateed (hypotonic) and osmosis takes place into the blood cells (hyphotonic). As a result, there is swelling in the blood cells.
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