The correct order of steps in dialysis is;
→ → (E) → (F) → →

Blood is drained from a convenient artery.
Blood is mixed with heparin as heparin prevents clotting while blood is outside the body.
Blood is passed through a coiled and porous cellophane tube bathing in dialysis fluid.
Removal of nitrogenous wastes from blood as wastes diffuse out into the dialysing fluid.
Blood is mixed with anti-heparin to neutralize heparin's effect.
Blood is passed into a vein and thus the purified blood is returned to the patient.

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