Question

14.
Boojho's uncle was hospitalised and put on dialysis after a
severe infection in both of his kidneys.
(a) What is dialysis?
(b) When does it become necessary to take such a treatment?
15.
Name the process and the organ which helps in removing the
following wastes from the body.
(a) Carbondioxide
(b) Undigested food
(c) Urine
(d) Sweat​

Answer 1

Answer:

1. a process for separating substances from a liquid, especially for taking waste substances out of the blood of people with damaged kidneys

2. failure of both kidneys

3. process is Excretion is the process of removal of waste products from the body. Kidney is the chief excretory organ of the body. The skin and lungs are other important excretory organs of the body.