The dialysis machine consists of tubes with a lining, which are suspended in a tank filled with dialysing fluid.
A dialysis machine contains long tubes coiled in a tank containing dialysing solution : (i) Of what substance are the tubes made ? (ii) What does the dialysing solution contain ? (iii) Name the main waste product that passes into the dialysing solution.
Fill in the gaps: Dialysis fluid contains all the constituents as in plasma except ___