Imagine what happens if waste materials are not sent out of the body from time to time ?
A. 1) If waste materials are not sent out of the body from time to time they get accumulated in the body.
2) The accumulation of toxic wastes in the body harms an organism.
3) For an organism to lead a normal life, the toxic wastes being produced in its body must be removed from time to time.
4) If all the waste released is not sent out, the waste gets stagnated, produce toxins and poisons which pollute the body. They lead to death of the organism.