Wastes are excreted by the body as it recognizes them as useless to the human body and/or harmful. If gasses excreted by the lungs, toxins excreted by the kidneys, chemicals excreted by the skin, or...
By a process called the Kreb's cycle. it depends from which process the waste comes from. cell can excrete waste by exocytosis in the form of vacuoles or through Krebs cylce. all depends upon the...