If the harmful products will not remove from our body everyday then the person may lead to death because there is a need to remove the nitrogenous waste of our body.
If both the kidneys of a person become fail then the artificial kidney is used by doctors which is a Dialysis machine
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about this topic
about the removal of waste or about artificial kidney
yes it is4 marks answer
there are two questions whom explanation you want
do you think that this ans is best
It may coz diseases bcoz waste materials produce toxins
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