Question

A RBCs is kept in concentration saline solution

Answer 1

The normal saline solution is isotonic, so when RBCs are kept in it, there is little net movement of water across the cell membrane. This helps the cells to remain in same size and shape.

Answer 2

hii..

RBC gets shrinks as the concentration of saline solution is higher than concentration inside the cell the water will move outside...

hope it helps...