Answer:
The correct answer is- Hemodialysis
Step-by-step explanation:
In hemodialysis, filters are used to filter out excess waste and water from blood by filtering the blood. Hemodialysis is a type of kidney replacement therapy which is used in those person whose kidneys do not work properly.
It performs the function of the kidney in the patient. It helps in maintaining the electrolyte balance in the blood and also helps in controlling the blood pressure in the body.
So in persons whose kidney is not working hemodialysis can help in blood purification and increase the life expectancy of the patient.