Q.12 Why is it necessary to excrete waste products?

(1) Certain waste and toxic products are formed during the functioning of body cells.

(2) Waste products like urea etc. are toxic. They are harmful to our bodies.

(3) When these toxic materials are not removed from the body, they get mixed with blood and can damage the cells of the body.

(4) If they are not removed, they can cause certain problems in our body and can even cause some diseases.

(5) Therefore It is necessary to remove such poisonous waste materials from our bodies.