A dialysis machine contains long tubes coiled in a tank containing dialysing

(i) Of what substance are the tubes made ?


(ii) What does the dialysing solution contain?


(iii) Name the main waste which passes into the dialysing solution.


(i) The tubes of dialysis machine are made up of semipermeable membrane (cellulose).

(ii) Dialysing solution contain water, glucose and salt.


(iii) The main waste is urea which passes into the dialysing solution.


40
1