2.68b Osmoregulation

• The fluid which surround cells are isotonic with the cytoplasm of the cells.
• The amount of water going into these cells are equal and remain the same size and shape.
• The kidney controls the composition of our blood.
• Blood circulating in to the tissues it will be concentrated causing hyper tonic tisse fluid or hypo tonic tissue fluid.
• Blood that circulates through our kidney excess water, excess salt can be removed and excreted at the urethra.