Blood cells in the human body have semipermeable membrane. Depending upon concentration of solution inside blood cells and outside (in the blood); " Lysis" [expansion of blood cells] and " Crenation"[Contraction of blood cells] may occur. Kidneys are responsible for keeping solution inside blood cell and blood at same
concentration. Identify the options which is /are correct?

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Lysis occurs when blood cells are kept in hypotonic solution as compared to blood

Crenation will occur when blood cells are kept in a solution which is hypertonic with blood

Blood cells will have normal shape when placed in a solution isotonic with blood.

Lysis will occur when blood cells are kept in a solution which is isotonic with blood

answer is B, C, D.

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Detailed Solution

Solvent moves from lower concentration chamber to high concentration chamber.

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