Urine and feces are both considered excretions or wastes.How do they biologically compare?
A)Undigested food passes through as feces; urine is just unused or surplus water.
B)Although they are processed by separate systems,feces and urine are bacteria-laden and unsanitary.
C)Feces is undigested food plus bacteria that was never inside the tissue; urine carries metabolic wastes from cell metabolism but should be bacteria-free.
D)Both feces and urine were molecules that were,for a short time,part of cell metabolism.
E)Both are ways of excreting excess water from the body.

Question

Quizplus · Accepted Answer

Feces is composed of undigestible food and bacteria that was not present in the body tissues, while urine carries metabolic waste products from cell metabolism. Urine should be relatively free of bacteria, while feces typically contains a lot of bacteria. Both feces and urine are wastes produced by the body, but they differ in their composition and origin.

Urine and Feces Are Both Considered Excretions or Wastes