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Kidneys
membrane package.
Unwanted Substances and Waste Products
Vacuoles have a functions and/or importances. 1. Vacuoles remove dangerous structural debris. 2. Vacuoles hold the waste/bad things. 3. Vacuoles export unwanted substances. So, for the main part they deal with unwanted substances.
Unwanted substances could get in, potentially destroying the cell and membrane.
Pollution?
Kidneys
the liver
membrane package.
Try exercising to allow your body work normally.
Unwanted Substances and Waste Products
It is to clear the unwanted substances to the large intestine and the wanted substances will be absorbed by the walls of the small intestine by the blood.
By 3 organs which are kidney, lung and liver.
an unwanted change in the environment caused by substances or forms of energy
because in a blast furnace the limestone removes unwanted substances as slag.
The kidneys filter uric acid and other unwanted substances out of the blood.
Refining