Dialysis blocks the passage of larger substances (for example, red blood cells, large proteins). This replicates the filtering process that takes place in the kidneys when the blood enters the kidneys and the larger substances are separated from the smaller ones in the glomerulus. The two main types of dialysis, hemodialysis and peritoneal dialysis, remove wastes and excess water from the blood in different ways. Hemodialysis removes wastes and water by circulating blood outside the body through an external filter, called a dialyzer, that contains a semipermeable membrane. The blood flows in one direction and the dialysate flows in the opposite.
O Blood and Water duties (as recommended in "Diary" 1320, 1572). It is also applied in various other situations, especially when someone meets a sinner (as Jesus requires "passim" in the "Diary"). It invokes the Divine Mercy that is given to the humanity from the cross of Jesus. Blood and water from his side pierced by a spear (John 19:34) symbolizes the grace of sacraments: help and forgiveness (cf. "Diary" 299). This is also the meaning of the red and white ray in the Divine Mercy image. O Blood and Water O Blood and Water (Polish: "O krwi i wodo"), also known as conversion