1. D I A L Y S I S M A C H I N E S
HUMAN EXCRETION
2. DIALYSIS MACHINE
• Dialysis machine are also called kidney machines.
Blood from artery in the arm of a patient is pumped
through an artificial kidney and returned to the
patient’s body through a vein
• In the dialysis machine blood is passed throuh
dialysis tubing that runs through a tank containing
salt
3. DIALYSIS
• Dialysis tubing act like a semi-pemeable membrane
filtering substance through it. This means blood cells
and protein do not leave the blood
• Solution in the tank is vey much like blood plasma
except it does not contain protein and urea.
