In Hemodialysis, Wastes Normally Collected by the Kidney

In hemodialysis, wastes normally collected by the kidney

A) diffuse through artificial or natural semipermeable membranes.
B) are pumped through a series of filters.
C) are diluted by adding dialysate from bags attached to the abdomen.
D) are actively transported through natural membranes in the abdomen.
E) are diluted by a transfusion of blood lower in wastes.